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Oval|Natural|GIA

2.51ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 2231892154

Certificate GIA 2231892154

Diamond specifications and retailer prices

From €19,631 EUR
$21,932 USD
As of October 29, 2026
Save €10,784 EUR (35%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €30,415 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 2.51ct natural oval diamond

This 2.51ct natural oval sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231892154. Listed at 8 retailers as of October 26, 2026, with prices from €19,631 to €30,415, a €10,784 spread on the same certified stone. MOH London lists it at €30,415. 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

2.51
Carat
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.27°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 2231892154
Dimensions10.50 × 7.51 × 4.77 mm
L/W Ratio1.40
Girdle conditionVery Thick
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
10.50 mm7.51 mm2.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231892154
Side View
Table 61.0%Crown 39.27°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €30,415 EUR|Low: €19,631 EUR|High: €31,010 EUR|Avg: €23,708 EUR|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9€19,631 EUR
Retailer 10€20,793 EUR
Retailer 4€21,880 EUR
Retailer 8€21,960 EUR
Retailer 6€22,541 EUR
Retailer 11€22,792 EUR
Retailer 7€23,257 EUR
Retailer 3€23,722 EUR
Retailer 2€26,836 EUR
Retailer 5€27,553 EUR
MOH London€30,415 EUR

24 data points across 11 retailers

8 retailers€19,631 EUR to €30,415 EUR

A
Cheapest Retailer
-
€19,631 EUR
$21,932 USD
A
Retailer 2
-
€21,880 EUR
£19,247 GBP
View
A
Retailer 3
-
€21,960 EUR
$24,534 USD
View
Retailer 4
-
€22,541 EUR
$25,183 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€23,257 EUR
$25,983 USD
View
B+
Retailer 6
-
€26,836 EUR
$29,981 USD
View
B+
Retailer 7
-
€27,553 EUR
$30,782 USD
View
Most Expensive
B
MOH London
BFFB4EC7C · Oct 26
€30,415 EUR
£26,756 GBP
View
7 more retailers have this diamond
Prices start from €19,631 EURSave up to €10,784 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
2.51ct Oval
€19,631 EUR