Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6551701522

Certificate GIA 6551701522

Diamond specifications and retailer prices

From $29,718 NZD
$16,749 USD
As of October 30, 2026
Save $20,767 NZD (41%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $50,484 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 6551701522. Listed at 15 retailers as of October 30, 2026, with prices from $29,718 to $50,484, a $20,767 spread on the same certified stone. MOH London lists it at $50,484. 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
OriginNatural
Grading LabGIA
CertificateGIA 6551701522
Dimensions8.55 × 8.63 × 5.38 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.55 mm8.63 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551701522
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.6%

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: $50,484 NZD|Low: $29,718 NZD|High: $51,093 NZD|Avg: $37,046 NZD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6$29,718 NZD
Retailer 4$29,939 NZD
Retailer 3$33,117 NZD
Retailer 5$37,722 NZD
Retailer 2$39,759 NZD
MOH London$50,484 NZD

34 data points across 6 retailers

15 retailers$29,718 NZD to $50,484 NZD

A
Cheapest Retailer
-
$29,718 NZD
$16,749 USD
A
Retailer 2
-
$29,939 NZD
₹1,606,999 INR
View
A
Retailer 3
-
$30,528 NZD
$17,206 USD
View
A
Retailer 4
-
$33,117 NZD
£14,697 GBP
View
Retailer 5
-
$33,942 NZD
$19,130 USD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
$34,534 NZD
$19,463 USD
View
Retailer 7
-
$35,019 NZD
$19,737 USD
View
Price last confirmed 30 days ago
B+
Retailer 8
-
$35,592 NZD
$20,060 USD
View
B+
Retailer 9
-
$35,592 NZD
$20,060 USD
View
Retailer 10
-
$36,366 NZD
$20,496 USD
View
Price last confirmed 32 days ago
B+
Retailer 11
-
$36,781 NZD
$20,730 USD
View
B+
Retailer 12
-
$37,722 NZD
€20,248 EUR
View
B+
Retailer 13
-
$39,759 NZD
£17,644 GBP
View
Retailer 14
-
$45,795 NZD
$25,810 USD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
32F9B49D0 · Nov 1
$50,484 NZD
£22,404 GBP
View
14 more retailers have this diamond
Prices start from $29,718 NZDSave up to $20,767 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
$29,718 NZD