Radiant|Lab Grown|IGI

1.51ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG638430101

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

Certificate IGI LG638430101

Diamond specifications and retailer prices

From $300 AUD
$210 USD
As of October 27, 2026
Save $1,413 AUD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,955 AUD at Brilliant Earth · As of October 16, 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 G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG638430101 or 638430101. Listed at 23 retailers as of October 27, 2026, with a 471% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638430101
Dimensions8.22 × 5.68 × 3.79 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.22 mm5.68 mm1.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638430101
Side View
Table 65.0%Crown 41.6°Girdle: MediumPavilion 34.7°Culet: NoneDepth 66.7%

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 27
Current: $1,712 AUD|Low: $300 AUD|High: $1,955 AUD|Avg: $917 AUD|-12.4%
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
November 1, 2026
Retailer 3$300 AUD
Retailer 5$337 AUD
Retailer 14$348 AUD
Retailer 13$502 AUD
Retailer 15$639 AUD
Retailer 2$688 AUD
Retailer 10$698 AUD
Retailer 17$716 AUD
Retailer 12$736 AUD
Retailer 7$869 AUD
Retailer 11$965 AUD
Retailer 6$1,272 AUD
Retailer 9$1,363 AUD
Retailer 16$1,457 AUD
Retailer 4$1,517 AUD
Retailer 8$1,542 AUD
Brilliant Earth$1,712 AUD

40 data points across 17 retailers

23 retailers$300 AUD to $1,712 AUD

A
Cheapest Retailer
-
$300 AUD
$210 USD
A
Retailer 2
-
$337 AUD
$236 USD
View
Final sale: no returns
A
Retailer 3
-
$348 AUD
$244 USD
View
Retailer 4
-
$384 AUD
$269 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$384 AUD
$269 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$502 AUD
$352 USD
View
A
Retailer 7
-
$639 AUD
ZAR 7,240 ZAR
View
A
Retailer 8
-
$688 AUD
£379 GBP
View
A
Retailer 9
-
$698 AUD
€466 EUR
View
A
Retailer 10
-
$716 AUD
$502 USD
View
A
Retailer 11
-
$736 AUD
$516 USD
View
A
Retailer 12
-
$869 AUD
View
B+
Retailer 13
-
$965 AUD
$676 USD
View
Retailer 14
-
$1,127 AUD
$790 USD
View
Price last confirmed 28 days ago
Retailer 15
-
$1,236 AUD
$866 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$1,272 AUD
$892 USD
View
B+
Retailer 17
-
$1,350 AUD
$946 USD
View
Retailer 18
-
$1,363 AUD
$955 USD
View
Price last confirmed 14 days ago
B
Retailer 19
-
$1,457 AUD
£804 GBP
View
B
Retailer 20
-
$1,517 AUD
$1,063 USD
View
Retailer 21
-
$1,542 AUD
£851 GBP
View
Price last confirmed 8 days ago
B
Retailer 22
-
$1,712 AUD
$1,200 USD
View
Most Expensive
Brilliant Earth
14449008A · Oct 16
$1,955 AUD
$1,370 USD
View
Price last confirmed 17 days ago
22 more retailers have this diamond
Prices start from $300 AUDSave up to $1,413 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
$300 AUD