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Radiant|Lab Grown|IGI

1.91ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG542236845

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG542236845

Diamond specifications and retailer prices

From $858 USD
£676 GBP
As of October 31, 2026
Save $652 USD (43%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,510 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.91ct lab-grown radiant diamond

This 1.91ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG542236845 or 542236845. Listed at 2 retailers as of October 31, 2026, with prices from $858 to $1,510, a $652 spread on the same certified stone. Brilliant Earth lists it at $1,510. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542236845
Dimensions8.80 × 6.15 × 4.18 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.80 mm6.15 mm1.91 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542236845
Side View
Table 64.5%Crown 42.4°Girdle: MediumPavilion 35.9°Culet: NoneDepth 68.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $1,510 USD|Low: $314 USD|High: $2,390 USD|Avg: $1,220 USD|-9.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
April 14, 2026
Retailer 6$314 USD
Retailer 3$766 USD
Retailer 2$888 USD
Retailer 7$1,204 USD
Retailer 4$1,233 USD
Brilliant Earth$1,510 USD
Retailer 5$2,320 USD

30 data points across 7 retailers

2 retailers$858 USD to $1,510 USD

B+
Cheapest Retailer
-
$858 USD
£676 GBP
Most Expensive
B
Brilliant Earth
14004981Y · Oct 31
$1,510 USD
View
1 more retailer has this diamond
Prices start from $858 USDSave up to $652 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+
1.91ct Radiant
$858 USD