Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1557095259

Certificate GIA 1557095259

Diamond specifications and retailer prices

From $22,127 USD
As of October 31, 2026
Save $17,065 USD (44%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $39,192 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 1557095259. Listed at 31 retailers as of October 29, 2026, with prices from $22,127 to $39,192, a $17,065 spread on the same certified stone. MOH London lists it at $39,192. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1557095259
Dimensions8.89 × 8.95 × 5.25 mm
L/W Ratio1.01
Top View
8.89 mm8.95 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1557095259
Side View
Table 62.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 58.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $39,192 USD|Low: $22,127 USD|High: $39,454 USD|Avg: $28,171 USD|-0.4%
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
October 31, 2026
Retailer 8$22,127 USD
Retailer 10$22,148 USD
Retailer 11$22,334 USD
Retailer 2$23,087 USD
Retailer 9$23,142 USD
Retailer 13$23,266 USD
Retailer 15$24,299 USD
Retailer 14$24,820 USD
Retailer 7$25,162 USD
Retailer 3$25,300 USD
Retailer 12$26,934 USD
Retailer 4$27,104 USD
Retailer 5$30,358 USD
Retailer 6$34,332 USD
MOH London$39,192 USD

32 data points across 15 retailers

31 retailers$22,127 USD to $39,192 USD

A
Cheapest Retailer
-
$22,127 USD
A
Retailer 2
-
$22,148 USD
View
A
Retailer 3
-
$22,334 USD
View
A
Retailer 4
-
$23,087 USD
View
Final sale: no returns
A
Retailer 5
-
$23,142 USD
₹2,203,959 INR
View
A
Retailer 6
-
$23,266 USD
View
A
Retailer 7
-
$24,299 USD
£19,133 GBP
View
A
Retailer 8
-
$24,305 USD
View
A
Retailer 9
-
$24,820 USD
View
A
Retailer 10
-
$24,961 USD
View
A
Retailer 11
-
$25,116 USD
View
Retailer 12
-
$25,162 USD
A$38,711 AUD
View
Price last confirmed 27 days ago
A
Retailer 13
-
$25,300 USD
View
A
Retailer 14
-
$26,140 USD
View
A
Retailer 15
-
$26,209 USD
View
B+
Retailer 16
-
$26,934 USD
View
B+
Retailer 17
-
$27,010 USD
View
B+
Retailer 18
-
$27,042 USD
View
Retailer 19
-
$27,042 USD
View
Price last confirmed 43 days ago
Retailer 20
-
$27,042 USD
View
Price last confirmed 32 days ago
B+
Retailer 21
-
$27,104 USD
View
Retailer 22
-
$27,464 USD
£21,625 GBP
View
Price last confirmed 31 days ago
Retailer 23
-
$27,838 USD
View
Price last confirmed 8 days ago
Retailer 24
-
$28,082 USD
View
Price last confirmed 44 days ago
Retailer 25
-
$28,082 USD
View
Price last confirmed 33 days ago
B+
Retailer 26
-
$29,395 USD
View
B+
Retailer 27
-
$30,358 USD
€28,912 EUR
View
B+
Retailer 28
-
$34,332 USD
ZAR 554,643 ZAR
View
Retailer 29
-
$35,362 USD
View
Price last confirmed 43 days ago
Retailer 30
-
$35,362 USD
View
Price last confirmed 33 days ago
Most Expensive
B+
MOH London
C95D20E0C · Oct 29
$39,192 USD
£30,860 GBP
View
30 more retailers have this diamond
Prices start from $22,127 USDSave up to $17,065 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
$22,127 USD