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Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6521583766

Certificate GIA 6521583766

Diamond specifications and retailer prices

From $33,807 USD
As of October 30, 2026
Save $24,497 USD (42%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $58,304 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 6521583766. Listed at 20 retailers as of October 29, 2026, with prices from $33,807 to $58,304, a $24,497 spread on the same certified stone. MOH London lists it at $58,304. 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
Crown angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6521583766
Dimensions8.74 × 8.68 × 5.35 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
8.74 mm8.68 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521583766
Side View
Table 60.0%Crown 31.5°Girdle: ThickPavilion 41.8°Culet: NoneDepth 61.4%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $58,304 USD|Low: $31,880 USD|High: $58,692 USD|Avg: $41,132 USD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6$31,880 USD
Retailer 7$34,039 USD
Retailer 8$36,759 USD
Retailer 10$37,103 USD
Retailer 4$37,125 USD
Retailer 9$37,133 USD
Retailer 3$40,489 USD
Retailer 2$43,626 USD
Retailer 5$51,074 USD
MOH London$58,304 USD

36 data points across 10 retailers

20 retailers$33,807 USD to $58,304 USD

Retailer 1
-
$31,880 USD
Price last confirmed 9 days ago
B+
Retailer 2
-
$33,807 USD
View
B+
Retailer 3
-
$34,039 USD
View
Final sale: no returns
B
Retailer 4
-
$36,035 USD
View
Retailer 5
-
$36,759 USD
A$56,553 AUD
View
Price last confirmed 27 days ago
B+
Retailer 6
-
$37,103 USD
View
B+
Retailer 7
-
$37,125 USD
£29,232 GBP
View
Retailer 8
-
$38,680 USD
View
Price last confirmed 41 days ago
B+
Retailer 9
-
$38,710 USD
View
B+
Retailer 10
-
$38,710 USD
View
B
Retailer 11
-
$39,709 USD
View
B
Retailer 12
-
$39,965 USD
View
B
Retailer 13
-
$40,000 USD
View
Retailer 14
-
$40,228 USD
View
Price last confirmed 38 days ago
B+
Retailer 15
-
$40,489 USD
£31,881 GBP
View
Retailer 16
-
$41,775 USD
View
Price last confirmed 39 days ago
B
Retailer 17
-
$43,626 USD
€41,549 EUR
View
B
Retailer 18
-
$43,835 USD
View
B
Retailer 19
-
$51,074 USD
ZAR 825,109 ZAR
View
Most Expensive
B
MOH London
36294D9D8 · Oct 29
$58,304 USD
£45,909 GBP
View
19 more retailers have this diamond
Prices start from $33,807 USDSave up to $24,497 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
$33,807 USD