Round|Natural|IGI

2.51ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 819642296

Shape and cutting style on the report: Round brilliant

Certificate IGI 819642296

Diamond specifications and retailer prices

From $7,923 USD
SGD 10,707 SGD
As of October 29, 2026
Save $3,579 USD (31%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $11,502 USD 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 819642296. Listed at 6 retailers as of October 26, 2026, with prices from $7,923 to $11,502, a $3,579 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,502. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 819642296
Dimensions8.58 × 8.64 × 5.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
8.58 mm8.64 mm2.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819642296
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.1%

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 29
Current: $10,858 USD|Low: $7,923 USD|High: $12,872 USD|Avg: $10,450 USD|-8.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
October 30, 2026
Retailer 4$7,923 USD
Retailer 3$9,270 USD
Retailer 2$9,358 USD
Retailer 5$10,828 USD
Retailer 1$10,858 USD
Wholesale Diamonds Direct$11,502 USD

30 data points across 6 retailers

6 retailers$7,923 USD to $11,502 USD

A
Cheapest Retailer
-
$7,923 USD
SGD 10,707 SGD
A
Retailer 2
-
$9,270 USD
View
A
Retailer 3
-
$9,358 USD
View
A
Retailer 4
-
$10,828 USD
View
A
Retailer 5
-
$10,858 USD
€10,341 EUR
View
Most Expensive
A
Wholesale Diamonds Direct
584618153 · Oct 26
$11,502 USD
View
5 more retailers have this diamond
Prices start from $7,923 USDSave up to $3,579 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
$7,923 USD