Marquise|Lab Grown|IGI

1.55ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG839636637

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839636637

Diamond specifications and retailer prices

From $359 USD
As of October 26, 2026
Save $625 USD (64%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $984 USD at Brilliance · As of October 26, 2026
View at Brilliance

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839636637 or 839636637. Listed at 2 retailers as of October 26, 2026, with prices from $359 to $984, a $625 spread on the same certified stone. Brilliance lists it at $984. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839636637
Dimensions11.86 × 5.95 × 3.82 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.86 mm5.95 mm1.55 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839636637
Side View
Table 60.0%Crown 36.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 26
Current: $984 USD|Low: $245 USD|High: $1,015 USD|Avg: $586 USD|-3.1%
Brilliance
Retailer 2
Retailer 3
Retailer 4
October 26, 2026
Retailer 3$245 USD
Retailer 2$359 USD
Retailer 4$572 USD
Brilliance$984 USD

5 data points across 4 retailers

2 retailers$359 USD to $984 USD

B+
Cheapest Retailer
-
$359 USD
Most Expensive
B
Brilliance
D46013189 · Oct 26
$984 USD
View
1 more retailer has this diamond
Prices start from $359 USDSave up to $625 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+
1.55ct Marquise
$359 USD