Round|Natural|IGI

1.51ct H IF Round Natural Diamond

EX • H/IF • IGI 838661147

Shape and cutting style on the report: Round brilliant

Certificate IGI 838661147

Diamond specifications and retailer prices

From $6,785 USD
As of November 1, 2026
Save $4,707 USD (41%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $11,492 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 838661147. Listed at 5 retailers as of November 1, 2026, with prices from $6,785 to $11,492, a $4,707 spread on the same certified stone. MOH London lists it at $11,492. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 838661147
Dimensions7.43 × 7.37 × 4.51 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.43 mm7.37 mm1.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 838661147
Side View
Table 61.0%Crown 33.2°Girdle: THN-MEDPavilion 41.7°Culet: NoneDepth 60.9%

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: Nov 1
Current: $11,492 USD|Low: $6,785 USD|High: $11,554 USD|Avg: $8,280 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4$6,785 USD
Retailer 5$7,118 USD
Retailer 3$7,835 USD
Retailer 2$8,971 USD
MOH London$11,492 USD

14 data points across 5 retailers

5 retailers$6,785 USD to $11,492 USD

A
Cheapest Retailer
-
$6,785 USD
A
Retailer 2
-
$7,118 USD
View
A
Retailer 3
-
$7,835 USD
£6,169 GBP
View
B+
Retailer 4
-
$8,971 USD
€8,544 EUR
View
Most Expensive
B
MOH London
C36EE3914 · Nov 1
$11,492 USD
£9,049 GBP
View
4 more retailers have this diamond
Prices start from $6,785 USDSave up to $4,707 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
1.51ct Round
$6,785 USD