Round|Natural|IGI

1.51ct E IF Round Natural Diamond

EX • E/IF • IGI 811673195

Shape and cutting style on the report: Round brilliant

Certificate IGI 811673195

Diamond specifications and retailer prices

From $12,115 USD
As of October 25, 2026
Save $7,014 USD (37%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $19,129 USD at MOH London · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 811673195. Listed at 4 retailers as of October 25, 2026, with prices from $12,115 to $19,129, a $7,014 spread on the same certified stone. MOH London lists it at $19,129. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 811673195
Dimensions7.40 × 7.52 × 4.51 mm
L/W Ratio1.02
Girdle conditionFaceted
Top View
7.40 mm7.52 mm1.51 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811673195
Side View
Table 60.0%Crown 32.8°Girdle: THN-MEDPavilion 41.6°CuletDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: $19,129 USD|Low: $12,115 USD|High: $19,129 USD|Avg: $15,004 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 4$12,115 USD
Retailer 3$13,033 USD
Retailer 2$15,327 USD
MOH London$19,129 USD

12 data points across 4 retailers

4 retailers$12,115 USD to $19,129 USD

A
Cheapest Retailer
-
$12,115 USD
Returns within 30 days
A
Retailer 2
-
$13,033 USD
£10,262 GBP
View
Returns within 30 days
A
Retailer 3
-
$15,327 USD
€14,597 EUR
View
Returns within 100 days
Most Expensive
A
MOH London
DB26C7A45 · Oct 29
$19,129 USD
£15,062 GBP
View
3 more retailers have this diamond
Prices start from $12,115 USDSave up to $7,014 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
$12,115 USD