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Radiant|Lab Grown|IGI

1.51ct H VVS2 Radiant Lab Grown Diamond

EX • H/VVS2 • IGI LG638430096

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

Certificate IGI LG638430096

Diamond specifications and retailer prices

From $297 AUD
As of October 30, 2026
Save $1,685 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,981 AUD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG638430096 or 638430096. Listed at 19 retailers as of October 30, 2026, with prices from $297 to $1,981, a $1,685 spread on the same certified stone. Brilliant Earth lists it at $1,981. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638430096
Dimensions8.04 × 5.75 × 3.87 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm5.75 mm1.51 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638430096
Side View
Table 65.0%Crown 39.9°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
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: $1,981 AUD|Low: $295 AUD|High: $1,981 AUD|Avg: $791 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 3, 2026
Retailer 14$297 AUD
Retailer 17$332 AUD
Retailer 3$344 AUD
Retailer 15$368 AUD
Retailer 10$381 AUD
Retailer 11$439 AUD
Retailer 18$496 AUD
Retailer 4$631 AUD
Retailer 2$669 AUD
Retailer 5$701 AUD
Retailer 16$731 AUD
Retailer 7$858 AUD
Retailer 13$952 AUD
Retailer 12$1,183 AUD
Retailer 9$1,226 AUD
Retailer 6$1,257 AUD
Retailer 8$1,530 AUD
Brilliant Earth$1,981 AUD

43 data points across 18 retailers

19 retailers$297 AUD to $1,981 AUD

A
Cheapest Retailer
-
$297 AUD
Retailer 2
-
$344 AUD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$368 AUD
View
Retailer 4
-
$381 AUD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$439 AUD
View
B+
Retailer 6
-
$496 AUD
View
Retailer 7
-
$631 AUD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$669 AUD
View
A
Retailer 9
-
$701 AUD
View
A
Retailer 10
-
$731 AUD
View
Retailer 11
-
$858 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$952 AUD
View
B+
Retailer 13
-
$1,183 AUD
View
Retailer 14
-
$1,226 AUD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$1,257 AUD
View
Retailer 16
-
$1,530 AUD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$1,725 AUD
View
B
Retailer 18
-
$1,782 AUD
View
Most Expensive
B
Brilliant Earth
11172630A · Nov 3
$1,981 AUD
$1,390 USD
View
18 more retailers have this diamond
Prices start from $297 AUDSave up to $1,685 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.

A
1.51ct Radiant
$297 AUD