Cushion|Lab Grown|IGI

1.91ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG837627381

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837627381

Diamond specifications and retailer prices

From $332 USD
£262 GBP
As of October 30, 2026
Save $853 USD (72%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,185 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.91ct lab-grown cushion diamond

This 1.91ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837627381 or 837627381. Listed at 7 retailers as of October 28, 2026, with prices from $332 to $1,185, a $853 spread on the same certified stone. Rare Carat lists it at $1,185. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837627381
Dimensions8.69 × 6.35 × 4.33 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.69 mm6.35 mm1.91 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837627381
Side View
Table 61.0%Crown 36.6°Girdle: STK-VTKPavilion 36.6°Culet: NoneDepth 68.2%

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: Oct 30
Current: $1,185 USD|Low: $331 USD|High: $1,216 USD|Avg: $867 USD|-1.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3$332 USD
Retailer 2$454 USD
Retailer 7$616 USD
Retailer 6$987 USD
Retailer 4$1,086 USD
Retailer 5$1,138 USD
Rare Carat$1,185 USD

32 data points across 7 retailers

7 retailers$332 USD to $1,185 USD

A
Cheapest Retailer
-
$332 USD
£262 GBP
A
Retailer 2
-
$454 USD
€432 EUR
View
A
Retailer 3
-
$616 USD
View
B+
Retailer 4
-
$987 USD
View
B+
Retailer 5
-
$1,086 USD
£855 GBP
View
B+
Retailer 6
-
$1,138 USD
View
Most Expensive
B+
Rare Carat
LGLCU15-149566 · Oct 28
$1,185 USD
View
6 more retailers have this diamond
Prices start from $332 USDSave up to $853 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 Cushion
$332 USD