CaratHunter
Plans
Radiant|Lab Grown|IGI

1.51ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG537213181

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

Certificate IGI LG537213181

Diamond specifications and retailer prices

From $2,377 AUD
$1,670 USD
As of October 31, 2026
Save $1,930 AUD (45%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,487 AUD at Flawless Fine Jewelry · As of November 2, 2026
View at Flawless Fine Jewelry

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG537213181 or 537213181. Listed at 16 retailers as of October 31, 2026, with a 81% 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537213181
Dimensions7.71 × 5.63 × 3.85 mm
L/W Ratio1.37
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.71 mm5.63 mm1.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537213181
Side View
Table 66.5%Crown 39.6°Girdle: ThickPavilion 32.3°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,487 AUD|Low: $2,377 AUD|High: $9,065 AUD|Avg: $4,701 AUD
Flawless Fine Jewelry
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
November 2, 2026
Retailer 11$2,377 AUD
Retailer 10$2,701 AUD
Retailer 4$2,938 AUD
Retailer 6$3,024 AUD
Retailer 5$3,132 AUD
Retailer 12$3,132 AUD
Retailer 8$4,100 AUD
Retailer 2$4,307 AUD
Retailer 14$4,906 AUD
Retailer 9$5,143 AUD
Retailer 3$5,871 AUD
Flawless Fine Jewelry$6,487 AUD
Retailer 13$8,439 AUD
Retailer 7$8,946 AUD

44 data points across 14 retailers

16 retailers$2,377 AUD to $4,307 AUD

B
Cheapest Retailer
-
$2,377 AUD
$1,670 USD
B
Retailer 2
-
$2,701 AUD
$1,897 USD
View
B
Retailer 3
-
$2,938 AUD
$2,064 USD
View
B
Retailer 4
-
$3,024 AUD
$2,124 USD
View
Final sale: no returns
Retailer 5
-
$3,132 AUD
$2,200 USD
View
Price last confirmed 22 days ago
B
Retailer 6
-
$3,132 AUD
$2,200 USD
View
B
Retailer 7
-
$3,374 AUD
$2,370 USD
View
B
Retailer 8
-
$4,100 AUD
£2,268 GBP
View
B
Retailer 9
-
$4,307 AUD
£2,382 GBP
View
Retailer 10
-
$4,906 AUD
$3,446 USD
View
Price under review
Retailer 11
-
$5,143 AUD
$3,613 USD
View
Price under review
Retailer 12
-
$5,871 AUD
$4,124 USD
View
Price under review
Most Expensive
Flawless Fine Jewelry
CE2002B56 · Nov 2
$6,487 AUD
£3,588 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $2,377 AUDSave up to $1,930 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
1.51ct Radiant
$2,377 AUD