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Round|Natural|GIA

2.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 3535649936

Certificate GIA 3535649936

Diamond specifications and retailer prices

From $17,441 USD
Save $13,022 USD (43%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $30,463 USD at MOH London
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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3535649936. Listed at 14 retailers, with prices from $17,441 to $30,463 at MOH London, a $13,022 spread on the same certified stone. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3535649936
Dimensions8.64 × 8.57 × 5.39 mm
L/W Ratio1.01
Top View
8.64 mm8.57 mm2.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3535649936
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $30,463 USD|Low: $17,292 USD|High: $30,463 USD|Avg: $21,483 USD|+1.9%
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
September 30, 2026
Retailer 12$17,441 USD
Retailer 11$17,718 USD
Retailer 3$19,030 USD
Retailer 10$19,560 USD
Retailer 2$19,925 USD
Retailer 8$20,205 USD
Retailer 9$20,362 USD
Retailer 14$21,188 USD
Retailer 5$21,330 USD
Retailer 6$21,330 USD
Retailer 4$22,040 USD
Retailer 7$22,928 USD
Retailer 13$26,093 USD
MOH London$30,463 USD

18 data points across 14 retailers

14 retailers$17,441 USD to $30,463 USD

A
Cheapest Retailer
-
$17,441 USD
A
Retailer 2
-
$17,718 USD
View
B+
Retailer 3
-
$19,030 USD
View
Price last confirmed 39 days ago
A
Retailer 4
-
$19,560 USD
View
B+
Retailer 5
-
$19,925 USD
A$30,654 AUD
View
B+
Retailer 6
-
$20,205 USD
£15,909 GBP
View
B+
Retailer 7
-
$20,362 USD
View
B+
Retailer 8
-
$21,188 USD
View
B+
Retailer 9
-
$21,330 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$21,330 USD
View
B+
Retailer 11
-
$22,040 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$22,928 USD
€21,836 EUR
View
B
Retailer 13
-
$26,093 USD
ZAR 421,541 ZAR
View
Most Expensive
B
MOH London
5B86E43A2 · Sep 28
$30,463 USD
£23,987 GBP
View
13 more retailers have this diamond
Prices start from $17,441 USDSave up to $13,022 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.

A
2.50ct Round
$17,441 USD