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Marquise|Lab Grown|IGI

1.03ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG844621356

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844621356

Diamond specifications and retailer prices

From $182 USD
As of October 31, 2026
Save $458 USD (72%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $640 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844621356 or 844621356. Listed at 3 retailers as of October 31, 2026, with prices from $182 to $640, a $458 spread on the same certified stone. Brilliant Earth lists it at $640. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844621356
Dimensions10.77 × 5.22 × 3.21 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.77 mm5.22 mm1.03 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844621356
Side View
Table 63.0%Crown 34.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $640 USD|Low: $182 USD|High: $670 USD|Avg: $400 USD|-4.5%
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$182 USD
Retailer 2$371 USD
Brilliant Earth$640 USD

22 data points across 3 retailers

3 retailers$182 USD to $640 USD

A
Cheapest Retailer
-
$182 USD
Final sale: no returns
A
Retailer 2
-
$371 USD
£292 GBP
View
Most Expensive
B+
Brilliant Earth
21781319A · Oct 31
$640 USD
View
2 more retailers have this diamond
Prices start from $182 USDSave up to $458 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
1.03ct Marquise
$182 USD