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Radiant|Natural|GIA

1.21ct J SI2 Radiant Natural Diamond

GD • J/SI2 • GIA 1232629984

Certificate GIA 1232629984

Diamond specifications and retailer prices

From HK$19,438 HKD
$2,477 USD
As of October 31, 2026
Save HK$24,702 HKD (56%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$44,140 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1232629984. Listed at 26 retailers as of October 30, 2026, with prices from HK$19,438 to HK$44,140, a HK$24,702 spread on the same certified stone. NZ Jewellers lists it at HK$44,140. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
J
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1232629984
Dimensions7.00 × 5.38 × 3.69 mm
L/W Ratio1.30
Culet sizeNone
Top View
7.00 mm5.38 mm1.21 ctJ / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1232629984
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$44,140 HKD|Low: HK$19,606 HKD|High: HK$44,140 HKD|Avg: HK$27,387 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 12HK$19,873 HKD
Retailer 9HK$20,109 HKD
Retailer 8HK$20,870 HKD
Retailer 4HK$21,560 HKD
Retailer 13HK$22,949 HKD
Retailer 10HK$23,835 HKD
Retailer 11HK$24,785 HKD
Retailer 6HK$26,474 HKD
Retailer 3HK$26,479 HKD
Retailer 5HK$29,390 HKD
Retailer 2HK$29,649 HKD
Retailer 7HK$42,367 HKD
NZ JewellersHK$44,140 HKD

42 data points across 13 retailers

26 retailersHK$19,438 HKD to HK$44,140 HKD

B
Cheapest Retailer
-
HK$19,438 HKD
$2,477 USD
B
Retailer 2
-
HK$19,873 HKD
$2,533 USD
View
B
Retailer 3
-
HK$20,109 HKD
$2,563 USD
View
Final sale: no returns
B
Retailer 4
-
HK$20,297 HKD
$2,587 USD
View
B
Retailer 5
-
HK$20,556 HKD
$2,620 USD
View
B
Retailer 6
-
HK$20,870 HKD
$2,660 USD
View
B
Retailer 7
-
HK$21,560 HKD
$2,748 USD
View
B
Retailer 8
-
HK$22,949 HKD
$2,925 USD
View
B
Retailer 9
-
HK$22,949 HKD
$2,925 USD
View
B
Retailer 10
-
HK$23,172 HKD
$2,954 USD
View
B
Retailer 11
-
HK$23,441 HKD
CA$4,150 CAD
View
B
Retailer 12
-
HK$23,835 HKD
$3,038 USD
View
B
Retailer 13
-
HK$24,785 HKD
$3,159 USD
View
B
Retailer 14
-
HK$24,918 HKD
$3,176 USD
View
B
Retailer 15
-
HK$24,918 HKD
$3,176 USD
View
B
Retailer 16
-
HK$26,126 HKD
$3,330 USD
View
B
Retailer 17
-
HK$26,126 HKD
$3,330 USD
View
B
Retailer 18
-
HK$26,448 HKD
$3,371 USD
View
B
Retailer 19
-
HK$26,474 HKD
£2,657 GBP
View
B
Retailer 20
-
HK$26,479 HKD
$3,375 USD
View
B
Retailer 21
-
HK$26,989 HKD
$3,440 USD
View
B
Retailer 22
-
HK$29,649 HKD
€3,599 EUR
View
C
Retailer 23
-
HK$29,735 HKD
$3,790 USD
View
C
Retailer 24
-
HK$36,549 HKD
$4,659 USD
View
C
Retailer 25
-
HK$42,367 HKD
£4,252 GBP
View
Most Expensive
C
NZ Jewellers
492b037e-cac6-4a9d-b7e1-86a8037870a3 · Oct 30
HK$44,140 HKD
$5,626 USD
View
25 more retailers have this diamond
Prices start from HK$19,438 HKDSave up to HK$24,702 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.21ct Radiant
HK$19,438 HKD