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Radiant|Natural|GIA

1.51ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 1543922780

Certificate GIA 1543922780

Diamond specifications and retailer prices

From HK$15,137 HKD
SGD 2,607 SGD
As of October 31, 2026
Save HK$15,678 HKD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$30,815 HKD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543922780. Listed at 10 retailers as of October 26, 2026, with prices from HK$15,137 to HK$30,815, a HK$15,678 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$30,815. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543922780
Dimensions7.68 × 5.81 × 3.94 mm
L/W Ratio1.32
Culet sizeNone
Top View
7.68 mm5.81 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543922780
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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$19,513 HKD|Low: HK$15,137 HKD|High: HK$32,591 HKD|Avg: HK$21,905 HKD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 2, 2026
Retailer 6HK$15,137 HKD
Retailer 3HK$17,905 HKD
Retailer 2HK$18,053 HKD
Retailer 1HK$19,513 HKD
Retailer 9HK$19,665 HKD
Retailer 7HK$21,294 HKD
Retailer 4HK$21,420 HKD
Retailer 8HK$22,356 HKD
Retailer 5HK$27,516 HKD
Wholesale Diamonds DirectHK$30,815 HKD

36 data points across 10 retailers

10 retailersHK$15,137 HKD to HK$30,815 HKD

A
Cheapest Retailer
-
HK$15,137 HKD
SGD 2,607 SGD
A
Retailer 2
-
HK$17,905 HKD
$2,282 USD
View
A
Retailer 3
-
HK$18,053 HKD
$2,301 USD
View
A
Retailer 4
-
HK$19,513 HKD
£1,958 GBP
View
A
Retailer 5
-
HK$19,665 HKD
SGD 3,387 SGD
View
A
Retailer 6
-
HK$21,294 HKD
$2,714 USD
View
A
Retailer 7
-
HK$21,420 HKD
$2,730 USD
View
A
Retailer 8
-
HK$22,356 HKD
$2,849 USD
View
A
Retailer 9
-
HK$27,516 HKD
$3,507 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
525257240 · Oct 26
HK$30,815 HKD
$3,927 USD
View
9 more retailers have this diamond
Prices start from HK$15,137 HKDSave up to HK$15,678 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.

A
1.51ct Radiant
HK$15,137 HKD