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1.25ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 779662572

Shape and cutting style on the report: Round brilliant

Certificate IGI 779662572

Diamond specifications and retailer prices

From $2,305 USD
As of November 6, 2026
2 retailers carry this diamond
Most expensive: $2,305 USD at The Diamond Guys
View at The Diamond Guys

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 779662572. Listed at 2 retailers as of November 6, 2026. 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

1.25
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 779662572
Dimensions6.84 × 6.88 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.84 mm6.88 mm1.25 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 779662572
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $1,867 USD|Low: $1,354 USD|High: $3,850 USD|Avg: $2,494 USD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
The Diamond Guys
September 22, 2026
Retailer 7$1,354 USD
Retailer 3$1,820 USD
Retailer 1$1,867 USD
Retailer 5$1,910 USD
The Diamond Guys$2,305 USD
Retailer 2$2,343 USD
Retailer 6$2,483 USD
Retailer 9$2,815 USD
Retailer 8$2,818 USD
Retailer 4$3,030 USD

63 data points across 10 retailers

2 retailers

Retailer 1
-
$1,910 USD
Price last confirmed 58 days ago
Most Expensive
B+
The Diamond Guys
1955284445 · Nov 6
$2,305 USD
View
1 more retailer has this diamond

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.

B+
1.25ct Round
$2,305 USD