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Radiant|Natural|GIA

1.31ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 6233502182

Certificate GIA 6233502182

Diamond specifications and retailer prices

From $2,787 SGD
£1,712 GBP
As of October 30, 2026
Save $3,088 SGD (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,875 SGD at NZ Jewellers · As of October 27, 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 E 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 6233502182. Listed at 6 retailers as of October 27, 2026, with prices from $2,787 to $5,875, a $3,088 spread on the same certified stone. NZ Jewellers lists it at $5,875. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle44.86°
Pavilion angle31.61°
OriginNatural
Grading LabGIA
CertificateGIA 6233502182
Dimensions6.91 × 5.48 × 3.72 mm
L/W Ratio1.26
Top View
6.91 mm5.48 mm1.31 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6233502182
Side View
Table 68.0%Crown 44.86°Girdle: THK-VTKPavilion 31.61°Culet: NoneDepth 67.7%

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: Oct 30
Current: $5,875 SGD|Low: $2,778 SGD|High: $6,057 SGD|Avg: $3,783 SGD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2$2,787 SGD
Retailer 5$2,811 SGD
Retailer 4$2,940 SGD
Retailer 6$2,989 SGD
Retailer 7$3,452 SGD
Retailer 3$4,950 SGD
NZ Jewellers$5,875 SGD

32 data points across 7 retailers

6 retailers$2,787 SGD to $5,875 SGD

A
Cheapest Retailer
-
$2,787 SGD
£1,712 GBP
A
Retailer 2
-
$2,811 SGD
$2,193 USD
View
A
Retailer 3
-
$2,940 SGD
$2,294 USD
View
A
Retailer 4
-
$2,989 SGD
$2,332 USD
View
A
Retailer 5
-
$4,950 SGD
£3,041 GBP
View
Most Expensive
B+
NZ Jewellers
55c2f70b-faee-4a33-a61d-21a7b6ff3afe · Oct 27
$5,875 SGD
$4,584 USD
View
5 more retailers have this diamond
Prices start from $2,787 SGDSave up to $3,088 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
$2,787 SGD