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Round|Lab Grown|IGI

1.20ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG784618581

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784618581

Diamond specifications and retailer prices

From $171 USD
As of November 3, 2026
Save $821 USD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $992 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784618581 or 784618581. Listed at 22 retailers as of November 2, 2026, with prices from $171 to $992, a $821 spread on the same certified stone. MOH London lists it at $992. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784618581
Dimensions6.90 × 6.87 × 4.13 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
6.90 mm6.87 mm1.20 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784618581
Side View
Table 59.0%Crown 33.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.0%

Caratlytics Score

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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 3
Current: $992 USD|Low: $171 USD|High: $1,005 USD|Avg: $438 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 3$171 USD
Retailer 6$199 USD
Retailer 5$212 USD
Retailer 7$365 USD
Retailer 12$366 USD
Retailer 9$367 USD
Retailer 2$374 USD
Retailer 8$480 USD
Retailer 4$486 USD
Retailer 11$517 USD
Retailer 10$537 USD
Retailer 14$636 USD
Retailer 13$660 USD
MOH London$992 USD

36 data points across 14 retailers

22 retailers$171 USD to $992 USD

A
Cheapest Retailer
-
$171 USD
A
Retailer 2
-
$199 USD
View
A
Retailer 3
-
$212 USD
View
Retailer 4
-
$212 USD
View
Price last confirmed 11 days ago
A
Retailer 5
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$365 USD
View
A
Retailer 6
-
$366 USD
View
A
Retailer 7
-
$367 USD
View
A
Retailer 8
-
$374 USD
View
A
Retailer 9
-
$379 USD
View
A
Retailer 10
-
$384 USD
View
B+
Retailer 11
-
$480 USD
View
B+
Retailer 12
-
$486 USD
View
B+
Retailer 13
-
$517 USD
View
B+
Retailer 14
-
$536 USD
View
B+
Retailer 15
-
$537 USD
View
Retailer 16
-
$636 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$660 USD
View
B
Retailer 18
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$682 USD
View
B
Retailer 19
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$697 USD
View
B
Retailer 20
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$700 USD
View
B
Retailer 21
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$736 USD
View
Most Expensive
B
MOH London
LG784618581 · Nov 2
$992 USD
£781 GBP
View
21 more retailers have this diamond
Prices start from $171 USDSave up to $821 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
$171 USD