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Round|Natural|GIA

2.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6532898193

Certificate GIA 6532898193

Diamond specifications and retailer prices

From $30,726 NZD
$17,288 USD
As of October 29, 2026
Save $17,043 NZD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $47,769 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6532898193. Listed at 10 retailers as of October 29, 2026, with prices from $30,726 to $47,769, a $17,043 spread on the same certified stone. MOH London lists it at $47,769. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6532898193
Dimensions8.66 × 8.61 × 5.41 mm
L/W Ratio1.01
Top View
8.66 mm8.61 mm2.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532898193
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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: $47,769 NZD|Low: $30,724 NZD|High: $47,769 NZD|Avg: $35,742 NZD|+6.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10$30,726 NZD
Retailer 5$32,877 NZD
Retailer 4$33,136 NZD
Retailer 7$33,458 NZD
Retailer 8$34,533 NZD
Retailer 3$35,193 NZD
Retailer 6$36,963 NZD
Retailer 2$37,818 NZD
Retailer 9$43,331 NZD
MOH London$47,769 NZD

40 data points across 10 retailers

10 retailers$30,726 NZD to $47,769 NZD

A
Cheapest Retailer
-
$30,726 NZD
$17,288 USD
A
Retailer 2
-
$32,877 NZD
SGD 24,998 SGD
View
B+
Retailer 3
-
$33,136 NZD
$18,644 USD
View
A
Retailer 4
-
$33,458 NZD
$18,825 USD
View
B+
Retailer 5
-
$34,533 NZD
$19,430 USD
View
B+
Retailer 6
-
$35,193 NZD
£15,591 GBP
View
B+
Retailer 7
-
$36,963 NZD
$20,797 USD
View
B+
Retailer 8
-
$37,818 NZD
€20,265 EUR
View
B
Retailer 9
-
$43,331 NZD
$24,380 USD
View
Most Expensive
B
MOH London
6E98FCC83 · Nov 1
$47,769 NZD
£21,163 GBP
View
9 more retailers have this diamond
Prices start from $30,726 NZDSave up to $17,043 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
$30,726 NZD