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Marquise|Lab Grown|IGI

1.91ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG842607100

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842607100

Diamond specifications and retailer prices

From $338 USD
As of November 1, 2026
Save $1,512 USD (82%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,850 USD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.91ct lab-grown marquise diamond

This 1.91ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842607100 or 842607100. Listed at 4 retailers as of November 1, 2026, with prices from $338 to $1,850, a $1,512 spread on the same certified stone. Brilliant Earth lists it at $1,850. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842607100
Dimensions13.39 × 6.45 × 3.97 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
13.39 mm6.45 mm1.91 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842607100
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,850 USD|Low: $338 USD|High: $1,860 USD|Avg: $1,156 USD|-0.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3$338 USD
Retailer 2$694 USD
Retailer 4$1,475 USD
Brilliant Earth$1,850 USD

24 data points across 4 retailers

4 retailers$338 USD to $1,850 USD

A
Cheapest Retailer
-
$338 USD
Final sale: no returns
A
Retailer 2
-
$694 USD
£546 GBP
View
Retailer 3
-
$1,475 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21744285A · Nov 1
$1,850 USD
View
3 more retailers have this diamond
Prices start from $338 USDSave up to $1,512 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
1.91ct Marquise
$338 USD