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2.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1533625669

Certificate GIA 1533625669

Diamond specifications and retailer prices

From $37,459 NZD
$21,112 USD
As of October 30, 2026
Save $25,552 NZD (41%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $63,011 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1533625669. Listed at 9 retailers as of October 30, 2026, with prices from $37,459 to $63,011, a $25,552 spread on the same certified stone. MOH London lists it at $63,011. 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

2.51
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
OriginNatural
Grading LabGIA
CertificateGIA 1533625669
Dimensions8.66 × 8.71 × 5.39 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.66 mm8.71 mm2.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1533625669
Side View
Table 57.0%Crown 35°Girdle: MediumPavilionCulet: NoneDepth 62.0%

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: $63,011 NZD|Low: $40,346 NZD|High: $63,770 NZD|Avg: $47,822 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$40,346 NZD
Retailer 3$41,087 NZD
Retailer 4$42,363 NZD
Retailer 6$43,708 NZD
Retailer 7$45,390 NZD
Retailer 2$47,514 NZD
Retailer 5$57,157 NZD
MOH London$63,011 NZD

42 data points across 8 retailers

9 retailers$37,459 NZD to $63,011 NZD

A
Cheapest Retailer
-
$37,459 NZD
$21,112 USD
A
Retailer 2
-
$38,326 NZD
CA$30,001 CAD
View
A
Retailer 3
-
$41,087 NZD
£18,234 GBP
View
B+
Retailer 4
-
$42,363 NZD
$23,876 USD
View
B+
Retailer 5
-
$43,708 NZD
$24,634 USD
View
B+
Retailer 6
-
$45,390 NZD
$25,582 USD
View
B+
Retailer 7
-
$47,514 NZD
€25,504 EUR
View
B
Retailer 8
-
$57,157 NZD
$32,214 USD
View
Most Expensive
B
MOH London
2905A8E5C · Nov 1
$63,011 NZD
£27,963 GBP
View
8 more retailers have this diamond
Prices start from $37,459 NZDSave up to $25,552 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
2.51ct Round
$37,459 NZD