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Radiant|Lab Grown|IGI

0.91ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG626491150

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

Certificate IGI LG626491150

Diamond specifications and retailer prices

From $577 AUD
$405 USD
As of October 28, 2026
Save $278 AUD (33%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $854 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 0.91ct lab-grown radiant diamond

This 0.91ct lab-grown radiant sits in the just-under-one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG626491150 or 626491150. Listed at 3 retailers as of October 28, 2026, with prices from $577 to $854, a $278 spread on the same certified stone. Brilliant Earth lists it at $854. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.91
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.2°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626491150
Dimensions6.60 × 4.92 × 3.25 mm
L/W Ratio1.34
Cert comments
As Grown - No indication of post-growth treatment.This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.Type II Faint Blue
Top View
6.60 mm4.92 mm0.91 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626491150
Side View
Table 61.0%Crown 27.2°Girdle: MediumPavilion 31.7°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $854 AUD|Low: $513 AUD|High: $1,519 AUD|Avg: $860 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 5, 2026
Retailer 3$513 AUD
Retailer 4$520 AUD
Retailer 2$577 AUD
Brilliant Earth$854 AUD
Retailer 5$1,170 AUD
Retailer 6$1,519 AUD

2 data points across 6 retailers

3 retailers$577 AUD to $854 AUD

B+
Cheapest Retailer
-
$577 AUD
$405 USD
B
Retailer 2
-
$828 AUD
£458 GBP
View
Most Expensive
B
Brilliant Earth
9932246Y · Oct 31
$854 AUD
$600 USD
View
2 more retailers have this diamond
Prices start from $577 AUDSave up to $278 AUD

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+
0.91ct Radiant
$577 AUD