Diamond earrings in Hong Kong start at HK$999 for a single lab-grown solitaire stud and reach HK$85,900 for a pair of five-carat stones, because the phrase covers five different products. Settle three things in order: the type, the carat weight per stone, and the metal. Everything else follows from those.
Which type are you actually shopping for?
Five things sit under the same search term. They wear differently, and they price differently.
- Round solitaire studs. One stone per ear, nothing around it. Three tiers at Carat Club Co., separated by metal and certification rather than by shape: Origin from HK$999 for a single stone, Essential from HK$2,300, Statement from HK$18,500.
- Fancy-cut studs. Same construction, different outline. Paradigm Pear Diamond Studs are HK$8,200 the pair, two 1.0ct pears, 2ct total.
- Drop earrings. Movement below the lobe. Duet at HK$12,000 the pair, Aria at HK$13,000.
- Ear cuffs. No piercing needed, sold singly. Aura Linear from HK$3,199, Continuum Pavé from HK$6,000.
- Men's studs. Vanguard, flat profile, butterfly back, from HK$1,599 for a single 0.5ct stone in platinum-plated S925 sterling silver.
Most people searching this term want studs and do not know it yet. If that is you, skip the rest of the list and read the carat section below, which is where the money actually moves.
Before you compare two prices, ask: per stone, or total?
This is the one piece of arithmetic nobody explains, and it costs people real money.
On every stud page at Carat Club Co. the option is labelled Each Stone's Carat Weight. A 1.0ct pair means 1.0ct in each ear, 2.0ct across the pair. Plenty of sellers quote total carat weight instead, so a pair advertised elsewhere as "1 carat" can be two 0.5ct stones. That is half the diamond in each ear, and on the lobe the difference is obvious in normal light. The prices look comparable on a search results page. The earrings do not look comparable in a mirror.
Here is the ladder, quoted per stone the way the site labels it, with pair prices:
- 0.5ct each (1.0ct the pair). Origin HK$1,998. Vanguard HK$2,999 in S925 sterling silver. Essential HK$4,300 in 9K White Gold, HK$5,300 in 18K White Gold or PT950 Platinum.
- 1.0ct each (2.0ct the pair). Origin HK$3,499. Vanguard HK$3,999 in S925 sterling silver. Essential HK$5,700 in 9K White Gold, HK$6,699 in 14K White Gold, HK$7,500 in 18K White Gold or PT950 Platinum.
- 2.0ct each (4.0ct the pair). Essential HK$13,000 in 18K White Gold.
- 3.0ct each (6.0ct the pair). Statement HK$37,000, or HK$18,500 for a single stone.
- 5.0ct each (10.0ct the pair). Statement HK$85,900.
Write down the per-stone figure before you open a second tab. Compare like with like, or do not compare at all.
What actually moves the price?
At the same carat weight, four things separate one pair from another.
Certification. A 1.0ct pair of Origin studs is HK$3,499. The same carat weight in Essential is HK$5,700 in 9K White Gold. Part of that gap is the gold, and part is that every Essential stone is individually IGI-certified and laser-inscribed, while Origin ships without a certificate on purpose. Independent grading has a fixed cost per stone, and it does not care that the stone is inexpensive.
Metal. Within Essential at 1.0ct per stone, the spread runs HK$5,700 (9K White Gold), HK$6,699 (14K White Gold), HK$7,500 (18K White Gold), HK$7,500 (PT950 Platinum). The diamonds are identical. You are paying for gold content and for platinum's density.
Colour and clarity. Origin is D colour, VS1, Ideal or Excellent cut. Essential, Vanguard and Paradigm are D colour, VVS2. Statement runs D colour, VVS2 to VS1. All are lab-grown, so D colour is available at every tier rather than reserved for the top of the range.
The back. Origin uses friction backs. Essential and Paradigm use La Poussette locking backs. Vanguard uses a butterfly back. If you sleep in your studs or wear them under a helmet or a scarf, this line matters more than a clarity grade you will never see.
Which carat weight suits you?
A rough guide, per stone. Half a carat each reads as jewellery you forget you are wearing, which is why it is the most common first purchase. One carat each is the point at which other people notice from across a table. Two carats and up is a decision, not a default, and it wants a secure back and an honest look at your own ear. The stud earrings buying guide works through proportion, setting height and how each weight sits on different lobes.
When a drop or an ear cuff is the better answer
Studs are not always the right buy. Two short pointers.
Drops give you movement and a longer line. Duet is HK$12,000: a 0.5ct pear at the lobe and a 1.0ct pear on an articulated drop below, 3ct total per pair. Aria is HK$13,000, a 0.1ct round at the lobe with a pear drop beneath. Both are worth reading about in the drop earrings piece before choosing between them.
Ear cuffs need no piercing at all. Aura Linear is HK$3,199 in 9K gold or HK$4,500 in 18K, 0.3ct total, a 2mm band 1.4cm long with a 4mm opening. Continuum Pavé is HK$6,000 in 9K or HK$12,000 in 18K, three rows, 0.6ct total. Both are sold singly, which is the part people miss. How they sit and layer is covered separately.
For men, the men's guide covers single versus pair, side, and how a flat profile reads under short hair.
Which stones carry an IGI certificate?
IGI grades the diamonds. Carat Club Co. includes the certificate. Those are two different jobs and it is worth keeping them separate in your head.
Centre stones of 0.5ct and above in the certified lines carry an individual IGI certificate, and every product page states exactly what its stones carry. The rule applies per stone, not per piece, so a 1.0ct main stone can be certified while a 0.1ct accent beside it is not. Below 0.5ct, independent grading costs more than the stone itself, which is why it is not included by default. Certification for those stones is available on request.
Where that lands on the range:
- Essential, Vanguard, Paradigm: every stone individually IGI-certified. Essential stones are also laser-inscribed.
- Duet: each stone individually IGI-certified, including the 0.5ct pear at the lobe.
- Aria: the pear drop is individually IGI-certified. The 0.1ct round accent is not, and certification for it is available on request.
- Origin: ships without a certificate as standard, by design, which is what holds the HK$999 entry price. Certification is available on request.
- Aura Linear and Continuum Pavé: no single stone reaches 0.5ct, so neither carries a certificate as standard.
Origin is the deliberate exception, and it is stated plainly on the product page rather than buried. Paying HK$999 for a certified 0.5ct stone is not possible, so the choice was to keep the price and be clear about what is missing.
What to settle before you order
Everything is made to order and takes two to three weeks. There are no returns, so the decision has to be made before you order, not after the box arrives. What you do get: one year of free repair, and a seven-day exchange on manufacturing defects. Shipping covers Hong Kong plus fourteen other Asia Pacific markets, free at HK$9,000 and above, HK$450 flat below that.
Metal you can change your mind about while browsing. Half a carat versus a full carat is the one you live with.
Common questions about diamond earrings
Can I get a certificate for a stone under 0.5ct?
Yes. Certification below the 0.5ct threshold is available on request. It is not included by default because independent grading costs more than the stone.
Why do the Origin studs ship without a certificate?
Because a certificate would push the price past HK$999. The stones are lab-grown, D colour, VS1, Ideal or Excellent cut, set in platinum-plated S925 sterling silver. If you want the paperwork, either request certification or move to Essential, where every stone is individually IGI-certified and laser-inscribed.
Do I need a piercing for an ear cuff?
No. Aura Linear and Continuum Pavé clip onto the ear and are sold singly, so you can buy one rather than a pair.
Is a 1.0ct pair the same everywhere?
No, and this is the trap. Here the option is Each Stone's Carat Weight, so a 1.0ct pair is 2.0ct in total. Elsewhere a "1 carat pair" often means 0.5ct per ear. Ask which convention a seller uses before you compare prices.
How long will they take to arrive?
Two to three weeks, because each piece is made to order rather than pulled from stock.
