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Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 5231668055

Certificate GIA 5231668055

Diamond specifications and retailer prices

From €26,027 EUR
$29,077 USD
As of October 30, 2026
Save €19,593 EUR (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €45,619 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 5231668055. Listed at 15 retailers as of October 29, 2026, with prices from €26,027 to €45,619, a €19,593 spread on the same certified stone. MOH London lists it at €45,619. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €45,619 EUR|Low: €26,027 EUR|High: €45,923 EUR|Avg: €32,207 EUR|-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
Retailer 15
October 30, 2026
Retailer 5€26,027 EUR
Retailer 6€26,453 EUR
Retailer 4€28,222 EUR
Retailer 14€29,011 EUR
Retailer 8€29,035 EUR
Retailer 15€29,055 EUR
Retailer 10€29,330 EUR
Retailer 7€31,066 EUR
Retailer 3€31,476 EUR
Retailer 11€33,863 EUR
Retailer 2€34,457 EUR
Retailer 13€34,620 EUR
Retailer 12€36,371 EUR
Retailer 9€39,963 EUR
MOH London€45,619 EUR

31 data points across 15 retailers

15 retailers€26,027 EUR to €45,619 EUR

B+
Cheapest Retailer
-
€26,027 EUR
$29,077 USD
B+
Retailer 2
-
€26,453 EUR
$29,553 USD
View
B+
Retailer 3
-
€28,222 EUR
$31,530 USD
View
Retailer 4
-
€29,011 EUR
A$49,863 AUD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
€29,035 EUR
£25,542 GBP
View
B+
Retailer 6
-
€29,055 EUR
$32,460 USD
View
B+
Retailer 7
-
€29,330 EUR
CA$45,511 CAD
View
B+
Retailer 8
-
€31,066 EUR
$34,707 USD
View
B
Retailer 9
-
€31,476 EUR
$35,165 USD
View
B+
Retailer 10
-
€33,863 EUR
$37,832 USD
View
B+
Retailer 11
-
€34,457 EUR
View
B+
Retailer 12
-
€34,620 EUR
$38,678 USD
View
B
Retailer 13
-
€36,371 EUR
$40,634 USD
View
B
Retailer 14
-
€39,963 EUR
ZAR 721,270 ZAR
View
Most Expensive
B
MOH London
03B2ED617 · Oct 29
€45,619 EUR
£40,131 GBP
View
14 more retailers have this diamond
Prices start from €26,027 EURSave up to €19,593 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.

B+
2.50ct Round
€26,027 EUR