Round|Natural|IGI

2.51ct F SI2 Round Natural Diamond

EX • F/SI2 • IGI 779663033

Shape and cutting style on the report: Round brilliant

Certificate IGI 779663033

Diamond specifications and retailer prices

From €9,111 EUR
SGD 13,809 SGD
As of October 31, 2026
Save €2,309 EUR (20%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €11,451 EUR at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 779663033. Listed at 8 retailers as of October 31, 2026, with a 25% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.4°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 779663033
Dimensions8.56 × 8.60 × 5.41 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
8.56 mm8.60 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 779663033
Side View
Table 56.0%Crown 36.4°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 63.1%

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 31
Current: €10,719 EUR|Low: €9,111 EUR|High: €12,357 EUR|Avg: €10,521 EUR|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 1, 2026
Retailer 4€9,111 EUR
Retailer 3€9,170 EUR
Retailer 2€9,305 EUR
Retailer 5€9,549 EUR
Retailer 1€10,719 EUR
Retailer 6€10,721 EUR
Retailer 7€11,419 EUR
Wholesale Diamonds Direct€11,451 EUR

22 data points across 8 retailers

8 retailers€9,111 EUR to €11,419 EUR

A
Cheapest Retailer
-
€9,111 EUR
SGD 13,809 SGD
A
Retailer 2
-
€9,170 EUR
$10,285 USD
View
A
Retailer 3
-
€9,305 EUR
$10,436 USD
View
A
Retailer 4
-
€9,549 EUR
$10,710 USD
View
A
Retailer 5
-
€10,719 EUR
View
A
Retailer 6
-
€10,721 EUR
$12,025 USD
View
B+
Retailer 7
-
€11,419 EUR
$12,808 USD
View
Most Expensive
Wholesale Diamonds Direct
584618837 · Oct 26
€11,451 EUR
$12,844 USD
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from €9,111 EURSave up to €2,309 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 Round
€9,111 EUR