Round|Natural|GIA

2.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 7566111033

Certificate GIA 7566111033

Diamond specifications and retailer prices

From $25,527 USD
As of October 30, 2026
Save $2,075 USD (8%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $35,312 USD at MOH London · As of October 11, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7566111033. Listed at 7 retailers as of October 30, 2026, with a relatively tight 8% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7566111033
Dimensions8.60 × 8.66 × 5.40 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Crystal, Feather, Cloud, Knot, Cavity, Needle
Top View
8.60 mm8.66 mm2.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7566111033
Side View
Table 56.0%Crown 35.5°GirdlePavilion 40.6°CuletDepth 62.5%

Caratlytics Score

How it works →
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: $35,312 USD|Low: $24,929 USD|High: $35,850 USD|Avg: $29,936 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$24,955 USD
Retailer 3$25,527 USD
Retailer 8$26,288 USD
Retailer 5$26,715 USD
Retailer 2$27,602 USD
Retailer 7$30,834 USD
Retailer 6$31,650 USD
MOH London$35,312 USD

30 data points across 8 retailers

7 retailers$25,527 USD to $27,602 USD

Retailer 1
-
$24,955 USD
£19,650 GBP
Price last confirmed 18 days ago
A
Retailer 2
-
$25,527 USD
View
Retailer 3
-
$26,288 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$26,715 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$27,602 USD
£21,734 GBP
View
Retailer 6
-
$31,650 USD
View
Price last confirmed 22 days ago
Most Expensive
MOH London
2340B2F0D · Oct 11
$35,312 USD
£27,805 GBP
View
Price last confirmed 20 days ago
6 more retailers have this diamond
Prices start from $25,527 USDSave up to $2,075 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
2.51ct Round
$25,527 USD