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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 $16,760 USD
As of October 25, 2026
Save $12,601 USD (43%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $29,361 USD at MOH London · As of October 29, 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 25, 2026, with prices from $16,760 to $29,361, a $12,601 spread on the same certified stone. MOH London lists it at $29,361. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $29,361 USD|Low: $16,760 USD|High: $29,557 USD|Avg: $21,046 USD|-0.7%
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
October 30, 2026
Retailer 12$16,760 USD
Retailer 4$16,931 USD
Retailer 5$17,191 USD
Retailer 15$18,700 USD
Retailer 11$19,110 USD
Retailer 17$19,635 USD
Retailer 3$19,978 USD
Retailer 13$20,258 USD
Retailer 6$20,580 USD
Retailer 16$21,037 USD
Retailer 8$21,220 USD
Retailer 9$21,220 USD
Retailer 7$21,930 USD
Retailer 10$22,689 USD
Retailer 2$23,069 USD
Retailer 14$26,491 USD
MOH London$29,361 USD

23 data points across 17 retailers

17 retailers$16,760 USD to $29,361 USD

A
Cheapest Retailer
-
$16,760 USD
A
Retailer 2
-
$16,931 USD
View
A
Retailer 3
-
$17,191 USD
View
B+
Retailer 4
-
$18,700 USD
View
A
Retailer 5
-
$19,110 USD
£15,047 GBP
View
B+
Retailer 6
-
$19,635 USD
View
B+
Retailer 7
-
$19,978 USD
View
B+
Retailer 8
-
$20,258 USD
View
B+
Retailer 9
-
$20,580 USD
View
B+
Retailer 10
-
$21,037 USD
View
B+
Retailer 11
-
$21,220 USD
View
B+
Retailer 12
-
$21,220 USD
View
B+
Retailer 13
-
$21,930 USD
View
B+
Retailer 14
-
$22,689 USD
€21,609 EUR
View
B+
Retailer 15
-
$23,069 USD
£18,164 GBP
View
B
Retailer 16
-
$26,491 USD
View
Most Expensive
B
MOH London
7FD33A44B · Oct 29
$29,361 USD
£23,119 GBP
View
16 more retailers have this diamond
Prices start from $16,760 USDSave up to $12,601 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
2.50ct Round
$16,760 USD