CaratHunter
Plans
Radiant|Natural|GIA

1.31ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 6233502182

Certificate GIA 6233502182

Diamond specifications and retailer prices

From $2,180 USD
£1,717 GBP
As of October 29, 2026
Save $2,404 USD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,584 USD 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 $2,180 to $4,584, a $2,404 spread on the same certified stone. NZ Jewellers lists it at $4,584. 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
Color
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 29
Current: $4,584 USD|Low: $2,167 USD|High: $4,726 USD|Avg: $2,949 USD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2$2,180 USD
Retailer 5$2,193 USD
Retailer 4$2,294 USD
Retailer 6$2,332 USD
Retailer 7$2,693 USD
Retailer 3$3,862 USD
NZ Jewellers$4,584 USD

32 data points across 7 retailers

6 retailers$2,180 USD to $4,584 USD

A
Cheapest Retailer
-
$2,180 USD
£1,717 GBP
A
Retailer 2
-
$2,193 USD
View
A
Retailer 3
-
$2,294 USD
View
A
Retailer 4
-
$2,332 USD
View
A
Retailer 5
-
$3,862 USD
£3,041 GBP
View
Most Expensive
B+
NZ Jewellers
55c2f70b-faee-4a33-a61d-21a7b6ff3afe · Oct 27
$4,584 USD
View
5 more retailers have this diamond
Prices start from $2,180 USDSave up to $2,404 USD

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
$2,180 USD