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Round|Lab Grown|IGI

1.20ct F IF Round Lab Grown Diamond

EX • F/IF • IGI LG787623831

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787623831

Diamond specifications and retailer prices

From $475 USD
As of November 6, 2026
Save $673 USD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,148 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787623831 or 787623831. Listed at 9 retailers as of November 2, 2026, with prices from $475 to $1,148, a $673 spread on the same certified stone. MOH London lists it at $1,148. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623831
Dimensions6.88 × 6.85 × 4.15 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.88 mm6.85 mm1.20 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623831
Side View
Table 56.0%Crown 32°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.5%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $1,148 USD|Low: $448 USD|High: $1,205 USD|Avg: $760 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$475 USD
Retailer 7$486 USD
Retailer 5$526 USD
Retailer 4$538 USD
Retailer 6$626 USD
Retailer 8$972 USD
Retailer 9$972 USD
Retailer 3$1,095 USD
MOH London$1,148 USD

35 data points across 9 retailers

9 retailers$475 USD to $1,148 USD

A
Cheapest Retailer
-
$475 USD
A
Retailer 2
-
$486 USD
View
A
Retailer 3
-
$526 USD
View
B+
Retailer 4
-
$538 USD
View
B+
Retailer 5
-
$626 USD
View
B
Retailer 6
-
$972 USD
View
B
Retailer 7
-
$992 USD
View
B
Retailer 8
-
$1,095 USD
View
Most Expensive
B
MOH London
LG787623831 · Nov 2
$1,148 USD
£904 GBP
View
8 more retailers have this diamond
Prices start from $475 USDSave up to $673 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
1.20ct Round
$475 USD