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Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2538690845

Certificate GIA 2538690845

Diamond specifications and retailer prices

From $30,041 NZD
$16,931 USD
As of October 31, 2026
Save $21,778 NZD (42%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $51,818 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2538690845. Listed at 17 retailers as of October 31, 2026, with prices from $30,041 to $51,818, a $21,778 spread on the same certified stone. MOH London lists it at $51,818. 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

2.50
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2538690845
Dimensions8.64 × 8.57 × 5.44 mm
L/W Ratio1.01
Top View
8.64 mm8.57 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2538690845
Side View
Table 56.0%Crown 36.5°Girdle: ThickPavilion 41°Culet: NoneDepth 63.3%

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 31
Current: $51,818 NZD|Low: $29,737 NZD|High: $52,442 NZD|Avg: $37,302 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 12$29,737 NZD
Retailer 4$30,041 NZD
Retailer 5$30,502 NZD
Retailer 15$33,179 NZD
Retailer 10$33,626 NZD
Retailer 17$34,838 NZD
Retailer 3$35,447 NZD
Retailer 13$35,944 NZD
Retailer 6$36,515 NZD
Retailer 16$37,326 NZD
Retailer 8$37,651 NZD
Retailer 9$37,651 NZD
Retailer 7$38,910 NZD
Retailer 11$40,258 NZD
Retailer 2$40,808 NZD
Retailer 14$47,003 NZD
MOH London$51,818 NZD

25 data points across 17 retailers

17 retailers$30,041 NZD to $51,818 NZD

Retailer 1
-
$29,737 NZD
$16,760 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$30,041 NZD
$16,931 USD
View
A
Retailer 3
-
$30,502 NZD
$17,191 USD
View
B+
Retailer 4
-
$33,179 NZD
$18,700 USD
View
A
Retailer 5
-
$33,626 NZD
£14,923 GBP
View
B+
Retailer 6
-
$34,838 NZD
$19,635 USD
View
B+
Retailer 7
-
$35,447 NZD
$19,978 USD
View
B+
Retailer 8
-
$35,944 NZD
$20,258 USD
View
B+
Retailer 9
-
$36,515 NZD
$20,580 USD
View
B+
Retailer 10
-
$37,326 NZD
$21,037 USD
View
B+
Retailer 11
-
$37,651 NZD
$21,220 USD
View
B+
Retailer 12
-
$37,651 NZD
$21,220 USD
View
B+
Retailer 13
-
$38,910 NZD
$21,930 USD
View
B+
Retailer 14
-
$40,258 NZD
€21,609 EUR
View
B+
Retailer 15
-
$40,808 NZD
£18,110 GBP
View
B
Retailer 16
-
$47,003 NZD
$26,491 USD
View
Most Expensive
B
MOH London
7FD33A44B · Nov 1
$51,818 NZD
£22,996 GBP
View
16 more retailers have this diamond
Prices start from $30,041 NZDSave up to $21,778 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
2.50ct Round
$30,041 NZD