Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6542928665

Certificate GIA 6542928665

Diamond specifications and retailer prices

From $18,020 USD
As of October 25, 2026
Save $13,607 USD (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $31,627 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 6542928665. Listed at 15 retailers as of October 25, 2026, with prices from $18,020 to $31,627, a $13,607 spread on the same certified stone. MOH London lists it at $31,627. 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
OriginNatural
Grading LabGIA
CertificateGIA 6542928665
Dimensions8.64 × 8.70 × 5.44 mm
L/W Ratio1.01
Top View
8.64 mm8.70 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542928665
Side View
Table 55.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.8%

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 25
Current: $31,627 USD|Low: $18,020 USD|High: $31,838 USD|Avg: $22,867 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 5$18,020 USD
Retailer 6$18,517 USD
Retailer 3$20,594 USD
Retailer 7$21,150 USD
Retailer 8$21,258 USD
Retailer 4$24,504 USD
Retailer 2$24,849 USD
MOH London$31,627 USD

42 data points across 8 retailers

15 retailers$18,020 USD to $31,627 USD

A
Cheapest Retailer
-
$18,020 USD
A
Retailer 2
-
$18,517 USD
View
B+
Retailer 3
-
$20,143 USD
View
B+
Retailer 4
-
$20,594 USD
£16,216 GBP
View
B+
Retailer 5
-
$21,150 USD
View
B+
Retailer 6
-
$21,258 USD
View
B+
Retailer 7
-
$21,821 USD
View
B+
Retailer 8
-
$21,920 USD
View
B+
Retailer 9
-
$21,920 USD
View
B+
Retailer 10
-
$22,650 USD
View
B+
Retailer 11
-
$22,660 USD
View
B
Retailer 12
-
$24,504 USD
€23,337 EUR
View
B
Retailer 13
-
$24,849 USD
£19,566 GBP
View
B
Retailer 14
-
$28,535 USD
View
Most Expensive
B
MOH London
2BEADA603 · Oct 29
$31,627 USD
£24,903 GBP
View
14 more retailers have this diamond
Prices start from $18,020 USDSave up to $13,607 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
$18,020 USD