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Marquise|Lab Grown|IGI

1.20ct H VS2 Marquise Lab Grown Diamond

ID • H/VS2 • IGI LG546218841

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG546218841

Diamond specifications and retailer prices

From $1,448 USD
As of November 1, 2026
Save $2,922 USD (67%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,370 USD at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG546218841 or 546218841. Listed at 2 retailers as of November 1, 2026, with prices from $1,448 to $4,370, a $2,922 spread on the same certified stone. The Diamond Guys lists it at $4,370. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
H
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.7°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546218841
Dimensions10.80 × 5.52 × 3.44 mm
L/W Ratio1.96
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
10.80 mm5.52 mm1.20 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG546218841
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 62.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: $1,448 USD|Low: $414 USD|High: $4,370 USD|Avg: $1,828 USD|+1.8%
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
November 2, 2026
Retailer 3$414 USD
Retailer 2$1,090 USD
Retailer 1$1,448 USD
The Diamond Guys$4,370 USD

3 data points across 4 retailers

2 retailers$1,448 USD to $4,370 USD

B
Cheapest Retailer
-
$1,448 USD
Most Expensive
C
The Diamond Guys
1998851409 · Nov 2
$4,370 USD
View
1 more retailer has this diamond
Prices start from $1,448 USDSave up to $2,922 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.

B
1.20ct Marquise
$1,448 USD