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Round|Natural|IGI

2.50ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 670479559

Certificate IGI 670479559

Diamond specifications and retailer prices

From $17,864 USD
Save $12,582 USD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $30,446 USD at MOH London
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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 670479559. Listed at 14 retailers, with prices from $17,864 to $30,446 at MOH London, a $12,582 spread on the same certified stone. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.2°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 670479559
Dimensions8.55 × 8.63 × 5.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Yellowish Green
Top View
8.55 mm8.63 mm2.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 670479559
Side View
Table 56.0%Crown 36.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.4%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $30,446 USD|Low: $17,864 USD|High: $30,446 USD|Avg: $23,172 USD|+1.1%
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 1, 2026
Retailer 11$17,864 USD
Retailer 4$19,380 USD
Retailer 13$19,707 USD
Retailer 10$20,664 USD
Retailer 5$20,910 USD
Retailer 3$21,437 USD
Retailer 8$22,285 USD
Retailer 9$22,509 USD
Retailer 14$23,224 USD
Retailer 6$23,839 USD
Retailer 15$24,117 USD
Retailer 2$26,356 USD
Retailer 12$27,513 USD
Retailer 7$29,860 USD
MOH London$30,446 USD

35 data points across 15 retailers

14 retailers$17,864 USD to $30,446 USD

A
Cheapest Retailer
-
$17,864 USD
B+
Retailer 2
-
$19,380 USD
View
Price last confirmed 32 days ago
B+
Retailer 3
-
$19,707 USD
View
B+
Retailer 4
-
$20,710 USD
£16,307 GBP
View
B+
Retailer 5
-
$20,910 USD
View
B+
Retailer 6
-
$21,437 USD
View
B+
Retailer 7
-
$22,285 USD
€21,224 EUR
View
B+
Retailer 8
-
$22,509 USD
View
B
Retailer 9
-
$23,224 USD
View
B
Retailer 10
-
$23,839 USD
View
B
Retailer 11
-
$24,117 USD
View
B
Retailer 12
-
$26,356 USD
ZAR 425,777 ZAR
View
B
Retailer 13
-
$27,513 USD
View
Most Expensive
B
MOH London
CD5A5BBBF · Oct 1
$30,446 USD
£23,973 GBP
View
13 more retailers have this diamond
Prices start from $17,864 USDSave up to $12,582 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.

A
2.50ct Round
$17,864 USD