Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1557095259

Certificate GIA 1557095259

Diamond specifications and retailer prices

From €20,343 EUR
$22,727 USD
As of October 30, 2026
Save €14,738 EUR (42%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: €35,081 EUR 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 €20,343 to €35,081, a €14,738 spread on the same certified stone. MOH London lists it at €35,081. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €35,081 EUR|Low: €20,475 EUR|High: €35,315 EUR|Avg: €24,727 EUR|-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
October 31, 2026
Retailer 12€21,411 EUR
Retailer 8€21,512 EUR
Retailer 11€21,582 EUR
Retailer 2€21,750 EUR
Retailer 4€22,342 EUR
Retailer 13€22,523 EUR
Retailer 6€22,646 EUR
Retailer 5€23,459 EUR
Retailer 7€24,261 EUR
Retailer 3€24,583 EUR
Retailer 9€27,173 EUR
Retailer 10€30,731 EUR
MOH London€35,081 EUR

33 data points across 13 retailers

31 retailers€20,343 EUR to €35,081 EUR

A
Cheapest Retailer
-
€20,343 EUR
$22,727 USD
A
Retailer 2
-
€20,345 EUR
$22,730 USD
View
A
Retailer 3
-
€20,718 EUR
$23,147 USD
View
A
Retailer 4
-
€21,411 EUR
$23,921 USD
View
Final sale: no returns
A
Retailer 5
-
€21,512 EUR
₹2,288,932 INR
View
A
Retailer 6
-
€21,582 EUR
$24,112 USD
View
A
Retailer 7
-
€21,750 EUR
£19,133 GBP
View
A
Retailer 8
-
€21,755 EUR
$24,305 USD
View
A
Retailer 9
-
€22,342 EUR
$24,961 USD
View
A
Retailer 10
-
€22,481 EUR
$25,116 USD
View
Retailer 11
-
€22,523 EUR
A$38,711 AUD
View
Price last confirmed 27 days ago
A
Retailer 12
-
€22,646 EUR
$25,300 USD
View
A
Retailer 13
-
€22,996 EUR
$25,691 USD
View
A
Retailer 14
-
€23,398 EUR
$26,140 USD
View
A
Retailer 15
-
€23,459 EUR
$26,209 USD
View
A
Retailer 16
-
€24,176 EUR
$27,010 USD
View
A
Retailer 17
-
€24,205 EUR
$27,042 USD
View
Retailer 18
-
€24,205 EUR
$27,042 USD
View
Price last confirmed 42 days ago
Retailer 19
-
€24,205 EUR
$27,042 USD
View
Price last confirmed 32 days ago
A
Retailer 20
-
€24,261 EUR
$27,104 USD
View
Retailer 21
-
€24,583 EUR
£21,625 GBP
View
Price last confirmed 31 days ago
B+
Retailer 22
-
€24,857 EUR
$27,770 USD
View
Retailer 23
-
€24,918 EUR
$27,838 USD
View
Price last confirmed 8 days ago
Retailer 24
-
€25,136 EUR
$28,082 USD
View
Price last confirmed 44 days ago
Retailer 25
-
€25,136 EUR
$28,082 USD
View
Price last confirmed 33 days ago
B+
Retailer 26
-
€26,311 EUR
$29,395 USD
View
B+
Retailer 27
-
€27,173 EUR
View
B+
Retailer 28
-
€30,731 EUR
ZAR 554,643 ZAR
View
Retailer 29
-
€31,652 EUR
$35,362 USD
View
Price last confirmed 43 days ago
Retailer 30
-
€31,652 EUR
$35,362 USD
View
Price last confirmed 33 days ago
Most Expensive
B+
MOH London
C95D20E0C · Oct 29
€35,081 EUR
£30,860 GBP
View
30 more retailers have this diamond
Prices start from €20,343 EURSave up to €14,738 EUR

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
€20,343 EUR