Marquise|Lab Grown|IGI

1.57ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG845649334

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845649334

Diamond specifications and retailer prices

From $273 USD
As of November 1, 2026
Save $847 USD (76%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,120 USD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.57ct lab-grown marquise diamond

This 1.57ct 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 LG845649334 or 845649334. Listed at 3 retailers as of November 1, 2026, with prices from $273 to $1,120, a $847 spread on the same certified stone. Rare Carat lists it at $1,120. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845649334
Dimensions12.67 × 6.10 × 3.70 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.67 mm6.10 mm1.57 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845649334
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,120 USD|Low: $273 USD|High: $1,120 USD|Avg: $697 USD|+4.7%
Rare Carat
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$273 USD
Retailer 2$592 USD
Rare Carat$1,120 USD

17 data points across 3 retailers

3 retailers$273 USD to $1,120 USD

A
Cheapest Retailer
-
$273 USD
Final sale: no returns
A
Retailer 2
-
$592 USD
£466 GBP
View
Most Expensive
B
Rare Carat
845649334 · Nov 1
$1,120 USD
View
2 more retailers have this diamond
Prices start from $273 USDSave up to $847 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
1.57ct Marquise
$273 USD