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Radiant|Lab Grown|IGI

0.91ct D SI2 Radiant Lab Grown Diamond

ID • D/SI2 • IGI LG414077116

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

Certificate IGI LG414077116

Diamond specifications and retailer prices

From $279 USD
As of October 28, 2026
Save $914 USD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,193 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown radiant diamond

This 0.91ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG414077116 or 414077116. Listed at 4 retailers as of October 28, 2026, with prices from $279 to $1,193, a $914 spread on the same certified stone. MOH London lists it at $1,193. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.91
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414077116
Dimensions6.33 × 5.15 × 3.55 mm
L/W Ratio1.23
Cert comments
As Grown - No indication of post growth treatment. This Laboratory Grown Diamond was created by high pressure high temperature process (HPHT).
Top View
6.33 mm5.15 mm0.91 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG414077116
Side View
Table 68.5%Crown 35.9°Girdle: MediumPavilion 39.1°Culet: NoneDepth 68.9%

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 28
Current: $1,193 USD|Low: $192 USD|High: $1,200 USD|Avg: $726 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2$279 USD
Retailer 3$287 USD
Retailer 4$387 USD
Retailer 5$850 USD
Retailer 6$1,030 USD
Retailer 7$1,030 USD
MOH London$1,193 USD

11 data points across 7 retailers

4 retailers$279 USD to $1,193 USD

A
Cheapest Retailer
-
$279 USD
A
Retailer 2
-
$287 USD
View
B+
Retailer 3
-
$387 USD
View
Most Expensive
B
MOH London
LG414077116 · Oct 29
$1,193 USD
£939 GBP
View
3 more retailers have this diamond
Prices start from $279 USDSave up to $914 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
0.91ct Radiant
$279 USD