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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 $3,858 NZD
£1,712 GBP
As of October 30, 2026
Save $4,275 NZD (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,133 NZD 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 $3,858 to $8,133, a $4,275 spread on the same certified stone. NZ Jewellers lists it at $8,133. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,133 NZD|Low: $3,845 NZD|High: $8,385 NZD|Avg: $5,237 NZD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2$3,858 NZD
Retailer 5$3,891 NZD
Retailer 4$4,070 NZD
Retailer 6$4,138 NZD
Retailer 7$4,779 NZD
Retailer 3$6,852 NZD
NZ Jewellers$8,133 NZD

32 data points across 7 retailers

6 retailers$3,858 NZD to $8,133 NZD

A
Cheapest Retailer
-
$3,858 NZD
£1,712 GBP
A
Retailer 2
-
$3,891 NZD
$2,193 USD
View
A
Retailer 3
-
$4,070 NZD
$2,294 USD
View
A
Retailer 4
-
$4,138 NZD
$2,332 USD
View
A
Retailer 5
-
$6,852 NZD
£3,041 GBP
View
Most Expensive
B+
NZ Jewellers
55c2f70b-faee-4a33-a61d-21a7b6ff3afe · Oct 27
$8,133 NZD
$4,584 USD
View
5 more retailers have this diamond
Prices start from $3,858 NZDSave up to $4,275 NZD

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
$3,858 NZD