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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 $4,261 SGD
As of November 2, 2026
Save $3,249 SGD (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,510 SGD 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 $4,261 to $7,510, a $3,249 spread on the same certified stone. NZ Jewellers lists it at $7,510. 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: $7,510 SGD|Low: $4,260 SGD|High: $7,624 SGD|Avg: $5,340 SGD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2$4,261 SGD
Retailer 4$4,311 SGD
Retailer 5$4,477 SGD
Retailer 9$4,736 SGD
Retailer 8$4,779 SGD
Retailer 6$5,028 SGD
Retailer 7$5,219 SGD
Retailer 3$7,208 SGD
NZ Jewellers$7,510 SGD

29 data points across 9 retailers

5 retailers$4,261 SGD to $7,510 SGD

A
Cheapest Retailer
-
$4,261 SGD
A
Retailer 2
-
$4,311 SGD
View
A
Retailer 3
-
$4,477 SGD
View
B+
Retailer 4
-
$7,208 SGD
View
Most Expensive
B+
NZ Jewellers
e79e7891-b18e-48e9-8fce-884b1ece3b41 · Nov 3
$7,510 SGD
$5,860 USD
View
4 more retailers have this diamond
Prices start from $4,261 SGDSave up to $3,249 SGD

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
$4,261 SGD