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Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6565159898

Certificate GIA 6565159898

Diamond specifications and retailer prices

From $27,824 USD
As of October 24, 2026
Save $20,729 USD (43%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $48,553 USD at MOH London · As of October 25, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565159898. Listed at 17 retailers as of October 24, 2026, with prices from $27,824 to $48,553, a $20,729 spread on the same certified stone. MOH London lists it at $48,553. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565159898
Dimensions8.64 × 8.61 × 5.45 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.64 mm8.61 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565159898
Side View
Table 57.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 63.2%

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 24
Current: $48,553 USD|Low: $27,175 USD|High: $69,685 USD|Avg: $34,779 USD|-30.3%
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 25, 2026
Retailer 15$27,175 USD
Retailer 6$27,824 USD
Retailer 5$28,267 USD
Retailer 4$30,170 USD
Retailer 9$30,577 USD
Retailer 11$31,047 USD
Retailer 17$31,388 USD
Retailer 2$31,558 USD
Retailer 16$32,341 USD
Retailer 14$32,600 USD
Retailer 7$33,195 USD
Retailer 3$33,635 USD
Retailer 10$33,785 USD
Retailer 8$34,928 USD
Retailer 12$37,454 USD
Retailer 13$42,101 USD
MOH London$48,553 USD

28 data points across 17 retailers

17 retailers$27,824 USD to $48,553 USD

A
Retailer 1
-
$27,175 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$27,824 USD
View
A
Retailer 3
-
$28,267 USD
View
B+
Retailer 4
-
$30,170 USD
View
B+
Retailer 5
-
$30,577 USD
A$47,041 AUD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$31,047 USD
View
B+
Retailer 7
-
$31,388 USD
View
B+
Retailer 8
-
$31,558 USD
£24,849 GBP
View
B+
Retailer 9
-
$32,341 USD
View
B+
Retailer 10
-
$32,600 USD
View
B+
Retailer 11
-
$33,195 USD
View
B+
Retailer 12
-
$33,635 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$33,785 USD
£26,602 GBP
View
B+
Retailer 14
-
$34,928 USD
View
B+
Retailer 15
-
$37,454 USD
€35,670 EUR
View
B
Retailer 16
-
$42,101 USD
ZAR 680,146 ZAR
View
Most Expensive
B
MOH London
2D437B153 · Oct 25
$48,553 USD
£38,231 GBP
View
16 more retailers have this diamond
Prices start from $27,824 USDSave up to $20,729 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
$27,824 USD