Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2537885049

Certificate GIA 2537885049

Diamond specifications and retailer prices

From $17,270 USD
As of October 25, 2026
Save $13,601 USD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $30,871 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 2537885049. Listed at 15 retailers as of October 25, 2026, with prices from $17,270 to $30,871, a $13,601 spread on the same certified stone. MOH London lists it at $30,871. 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°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2537885049
Dimensions8.63 × 8.59 × 5.38 mm
L/W Ratio1.00
Top View
8.63 mm8.59 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537885049
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.5%

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: $30,871 USD|Low: $17,270 USD|High: $31,077 USD|Avg: $22,182 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6$17,270 USD
Retailer 7$18,075 USD
Retailer 3$20,099 USD
Retailer 8$20,645 USD
Retailer 9$20,806 USD
Retailer 2$21,930 USD
Retailer 5$23,819 USD
Retailer 4$24,323 USD
MOH London$30,871 USD

44 data points across 9 retailers

15 retailers$17,270 USD to $30,871 USD

A
Cheapest Retailer
-
$17,270 USD
A
Retailer 2
-
$18,075 USD
View
B+
Retailer 3
-
$19,662 USD
View
B+
Retailer 4
-
$20,099 USD
£15,826 GBP
View
B+
Retailer 5
-
$20,645 USD
View
B+
Retailer 6
-
$20,806 USD
View
B+
Retailer 7
-
$21,300 USD
View
B+
Retailer 8
-
$21,450 USD
View
B+
Retailer 9
-
$21,450 USD
View
B+
Retailer 10
-
$21,930 USD
View
B+
Retailer 11
-
$22,119 USD
View
B+
Retailer 12
-
$23,819 USD
€22,685 EUR
View
B
Retailer 13
-
$24,323 USD
£19,152 GBP
View
B
Retailer 14
-
$27,854 USD
View
Most Expensive
B
MOH London
8DAA37E63 · Oct 29
$30,871 USD
£24,308 GBP
View
14 more retailers have this diamond
Prices start from $17,270 USDSave up to $13,601 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
$17,270 USD