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1.51ct H IF Round Natural Diamond

EX • H/IF • IGI 632487504

Shape and cutting style on the report: Round brilliant

Certificate IGI 632487504

Diamond specifications and retailer prices

From $7,725 USD
As of November 4, 2026
Save $5,012 USD (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $12,737 USD at MOH London · As of November 4, 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 632487504. Listed at 7 retailers as of November 4, 2026, with prices from $7,725 to $12,737, a $5,012 spread on the same certified stone. MOH London lists it at $12,737. 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 angle32°
Pavilion angle41.8°
OriginNatural
Grading LabIGI
CertificateIGI 632487504
Dimensions7.43 × 7.39 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.43 mm7.39 mm1.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 632487504
Side View
Table 58.0%Crown 32°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.1%

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: Nov 4
Current: $12,737 USD|Low: $6,931 USD|High: $12,925 USD|Avg: $9,025 USD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5$6,953 USD
Retailer 3$7,725 USD
Retailer 6$7,832 USD
Retailer 2$8,522 USD
Retailer 7$9,150 USD
Retailer 4$9,971 USD
MOH London$12,737 USD

43 data points across 7 retailers

7 retailers$7,725 USD to $12,737 USD

Retailer 1
-
$6,953 USD
Price last confirmed 13 days ago
Retailer 2
-
$6,976 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$7,725 USD
View
A
Retailer 4
-
$7,832 USD
View
A
Retailer 5
-
$8,522 USD
View
B+
Retailer 6
-
$9,971 USD
View
Most Expensive
B+
MOH London
9B949A62E · Nov 4
$12,737 USD
£10,029 GBP
View
6 more retailers have this diamond
Prices start from $7,725 USDSave up to $5,012 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
$7,725 USD