Radiant|Lab Grown|IGI

1.51ct H VVS2 Radiant Lab Grown Diamond

ID • H/VVS2 • IGI LG650418656

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

Certificate IGI LG650418656

Diamond specifications and retailer prices

From $368 AUD
As of November 1, 2026
Save $1,158 AUD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,525 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 LG650418656 or 650418656. Listed at 18 retailers as of November 1, 2026, with prices from $368 to $1,525, a $1,158 spread on the same certified stone. Brilliant Earth lists it at $1,525. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650418656
Dimensions8.01 × 5.83 × 3.88 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.01 mm5.83 mm1.51 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650418656
Side View
Table 62.0%Crown 40.9°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 66.6%

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: Nov 1
Current: $1,525 AUD|Low: $295 AUD|High: $1,639 AUD|Avg: $855 AUD|-7.0%
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
November 3, 2026
Retailer 15$297 AUD
Retailer 3$332 AUD
Retailer 12$344 AUD
Retailer 7$381 AUD
Retailer 11$496 AUD
Retailer 13$631 AUD
Retailer 2$669 AUD
Retailer 14$701 AUD
Retailer 10$731 AUD
Retailer 5$858 AUD
Retailer 9$952 AUD
Retailer 6$1,226 AUD
Retailer 4$1,257 AUD
Retailer 8$1,473 AUD
Brilliant Earth$1,525 AUD

31 data points across 15 retailers

18 retailers$368 AUD to $1,525 AUD

Retailer 1
-
$297 AUD
Price last confirmed 8 days ago
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
Retailer 5
-
$381 AUD
View
Price last confirmed 10 days ago
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
Retailer 13
-
$1,226 AUD
View
Price last confirmed 10 days ago
Retailer 14
-
$1,226 AUD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$1,257 AUD
View
B+
Retailer 16
-
$1,473 AUD
View
B
Retailer 17
-
$1,511 AUD
View
Most Expensive
B
Brilliant Earth
13097777A · Nov 3
$1,525 AUD
$1,070 USD
View
17 more retailers have this diamond
Prices start from $368 AUDSave up to $1,158 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
$368 AUD