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Radiant|Natural|GIA

1.51ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 6472510095

Certificate GIA 6472510095

Diamond specifications and retailer prices

From HK$20,032 HKD
As of November 5, 2026
Save HK$21,155 HKD (51%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$41,188 HKD at MOH London · As of November 4, 2026
View at MOH London

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 6472510095. Listed at 12 retailers as of November 4, 2026, with prices from HK$20,032 to HK$41,188, a HK$21,155 spread on the same certified stone. MOH London lists it at HK$41,188. 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
Crown angle48.6°
Pavilion angle60.4°
OriginNatural
Grading LabGIA
CertificateGIA 6472510095
Dimensions6.24 × 6.20 × 4.17 mm
L/W Ratio1.01
Top View
6.24 mm6.20 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6472510095
Side View
Table 65.0%Crown 48.6°Girdle: ThickPavilion 60.4°Culet: NoneDepth 67.3%

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: Nov 5
Current: HK$41,188 HKD|Low: HK$19,844 HKD|High: HK$43,975 HKD|Avg: HK$27,306 HKD|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 8HK$20,032 HKD
Retailer 9HK$20,644 HKD
Retailer 7HK$21,906 HKD
Retailer 5HK$22,611 HKD
Retailer 3HK$23,152 HKD
Retailer 10HK$25,315 HKD
Retailer 12HK$25,315 HKD
Retailer 2HK$25,550 HKD
Retailer 11HK$26,177 HKD
Retailer 4HK$27,658 HKD
Retailer 6HK$30,135 HKD
MOH LondonHK$41,188 HKD

46 data points across 12 retailers

12 retailersHK$20,032 HKD to HK$41,188 HKD

A
Cheapest Retailer
-
HK$20,032 HKD
A
Retailer 2
-
HK$20,644 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$21,906 HKD
View
A
Retailer 4
-
HK$22,611 HKD
View
Retailer 5
-
HK$23,152 HKD
View
Price last confirmed 13 days ago
A
Retailer 6
-
HK$25,315 HKD
View
A
Retailer 7
-
HK$25,315 HKD
View
A
Retailer 8
-
HK$25,550 HKD
View
A
Retailer 9
-
HK$26,177 HKD
View
Retailer 10
-
HK$27,658 HKD
View
Price last confirmed 31 days ago
B+
Retailer 11
-
HK$30,135 HKD
View
Most Expensive
B
MOH London
E61DA6E62 · Nov 4
HK$41,188 HKD
£4,138 GBP
View
11 more retailers have this diamond
Prices start from HK$20,032 HKDSave up to HK$21,155 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$20,032 HKD