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Marquise|Lab Grown|IGI

1.51ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG816615536

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816615536

Diamond specifications and retailer prices

From $2,070 USD
As of November 4, 2026
2 retailers carry this diamond
Most expensive: $2,070 USD at Brilliant Earth
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816615536 or 816615536. Listed at 2 retailers as of November 4, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615536
Dimensions11.28 × 6.13 × 3.79 mm
L/W Ratio1.84
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
11.28 mm6.13 mm1.51 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615536
Side View
Table 58.0%Crown 32.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: $2,070 USD|Low: $212 USD|High: $2,070 USD|Avg: $876 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
August 24, 2026
Retailer 9$212 USD
Retailer 4$478 USD
Retailer 5$490 USD
Retailer 2$548 USD
Retailer 3$606 USD
Retailer 6$649 USD
Retailer 8$1,090 USD
Retailer 7$1,116 USD
Brilliant Earth$2,070 USD

5 data points across 9 retailers

2 retailers

Retailer 1
-
$1,090 USD
Price last confirmed 78 days ago
Most Expensive
B
Brilliant Earth
20944010A · Nov 4
$2,070 USD
View
1 more retailer has this diamond

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
1.51ct Marquise
$2,070 USD