Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 5231668055

Certificate GIA 5231668055

Diamond specifications and retailer prices

From $29,077 USD
As of October 30, 2026
Save $21,889 USD (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $50,966 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231668055. Listed at 15 retailers as of October 29, 2026, with prices from $29,077 to $50,966, a $21,889 spread on the same certified stone. MOH London lists it at $50,966. 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
SymmetryVery Good
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5231668055
Dimensions8.54 × 8.65 × 5.39 mm
L/W Ratio1.01
Top View
8.54 mm8.65 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5231668055
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $50,966 USD|Low: $29,077 USD|High: $51,305 USD|Avg: $36,238 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
October 30, 2026
Retailer 4$29,077 USD
Retailer 5$29,553 USD
Retailer 3$31,530 USD
Retailer 13$32,411 USD
Retailer 7$32,438 USD
Retailer 9$32,768 USD
Retailer 6$34,707 USD
Retailer 14$35,165 USD
Retailer 10$37,832 USD
Retailer 2$38,495 USD
Retailer 12$38,678 USD
Retailer 11$40,634 USD
Retailer 8$44,647 USD
MOH London$50,966 USD

31 data points across 14 retailers

15 retailers$29,077 USD to $50,966 USD

B+
Cheapest Retailer
-
$29,077 USD
B+
Retailer 2
-
$29,553 USD
View
B+
Retailer 3
-
$31,530 USD
View
Retailer 4
-
$32,411 USD
A$49,863 AUD
View
Price last confirmed 26 days ago
B+
Retailer 5
-
$32,438 USD
£25,542 GBP
View
B+
Retailer 6
-
$32,460 USD
View
B+
Retailer 7
-
$32,768 USD
CA$45,511 CAD
View
B+
Retailer 8
-
$34,707 USD
View
B
Retailer 9
-
$35,165 USD
View
B+
Retailer 10
-
$37,832 USD
View
B+
Retailer 11
-
$38,495 USD
€36,662 EUR
View
B+
Retailer 12
-
$38,678 USD
View
B
Retailer 13
-
$40,634 USD
View
B
Retailer 14
-
$44,647 USD
ZAR 721,270 ZAR
View
Most Expensive
B
MOH London
03B2ED617 · Oct 29
$50,966 USD
£40,131 GBP
View
14 more retailers have this diamond
Prices start from $29,077 USDSave up to $21,889 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.

B+
2.50ct Round
$29,077 USD