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Radiant|Natural|GIA

1.31ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 2231520847

Certificate GIA 2231520847

Diamond specifications and retailer prices

From HK$26,059 HKD
As of November 2, 2026
Save HK$19,868 HKD (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$45,927 HKD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.31ct natural radiant diamond

This 1.31ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231520847. Listed at 5 retailers as of November 2, 2026, with prices from HK$26,059 to HK$45,927, a HK$19,868 spread on the same certified stone. NZ Jewellers lists it at HK$45,927. 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

1.31
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle44.59°
Pavilion angle30.96°
OriginNatural
Grading LabGIA
CertificateGIA 2231520847
Dimensions6.89 × 5.40 × 3.76 mm
L/W Ratio1.28
Girdle conditionVery Thick
Key to symbols
Crystal
Top View
6.89 mm5.40 mm1.31 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231520847
Side View
Table 64.0%Crown 44.59°GirdlePavilion 30.96°CuletDepth 69.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$45,927 HKD|Low: HK$26,052 HKD|High: HK$46,625 HKD|Avg: HK$32,658 HKD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2HK$26,059 HKD
Retailer 4HK$26,365 HKD
Retailer 5HK$27,376 HKD
Retailer 9HK$28,959 HKD
Retailer 8HK$29,226 HKD
Retailer 6HK$30,746 HKD
Retailer 7HK$31,914 HKD
Retailer 3HK$44,078 HKD
NZ JewellersHK$45,927 HKD

29 data points across 9 retailers

5 retailersHK$26,059 HKD to HK$45,927 HKD

A
Cheapest Retailer
-
HK$26,059 HKD
A
Retailer 2
-
HK$26,365 HKD
View
A
Retailer 3
-
HK$27,376 HKD
View
B+
Retailer 4
-
HK$44,078 HKD
View
Most Expensive
B+
NZ Jewellers
e79e7891-b18e-48e9-8fce-884b1ece3b41 · Nov 3
HK$45,927 HKD
$5,860 USD
View
4 more retailers have this diamond
Prices start from HK$26,059 HKDSave up to HK$19,868 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
1.31ct Radiant
HK$26,059 HKD