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Radiant|Lab Grown|IGI

1.50ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG512205177

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

Certificate IGI LG512205177

Diamond specifications and retailer prices

From $1,660 USD
As of November 2, 2026
Save $1,346 USD (45%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,526 USD at Flawless Fine Jewelry · As of November 2, 2026
View at Flawless Fine Jewelry

About this 1.5ct lab-grown radiant diamond

This 1.5ct 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 LG512205177 or 512205177. Listed at 16 retailers as of November 2, 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

1.50
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205177
Dimensions7.56 × 5.67 × 3.93 mm
L/W Ratio1.33
Culet sizePointed
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
7.56 mm5.67 mm1.50 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512205177
Side View
Table 65.0%Crown 46.2°Girdle: MediumPavilion 30.4°Culet: NoneDepth 69.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,526 USD|Low: $1,660 USD|High: $6,318 USD|Avg: $3,218 USD
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 3, 2026
Retailer 11$1,660 USD
Retailer 10$1,884 USD
Retailer 4$2,050 USD
Retailer 6$2,110 USD
Retailer 5$2,186 USD
Retailer 12$2,186 USD
Retailer 7$2,861 USD
Retailer 2$3,006 USD
Retailer 14$3,426 USD
Retailer 9$3,589 USD
Retailer 3$4,097 USD
Flawless Fine Jewelry$4,526 USD
Retailer 13$5,890 USD
Retailer 8$6,243 USD

44 data points across 14 retailers

16 retailers$1,660 USD to $3,006 USD

B
Cheapest Retailer
-
$1,660 USD
B
Retailer 2
-
$1,884 USD
View
B
Retailer 3
-
$2,050 USD
View
B
Retailer 4
-
$2,110 USD
View
Final sale: no returns
Retailer 5
-
$2,186 USD
View
Price last confirmed 23 days ago
B
Retailer 6
-
$2,186 USD
View
B
Retailer 7
-
$2,355 USD
View
B
Retailer 8
-
$2,861 USD
£2,253 GBP
View
B
Retailer 9
-
$3,006 USD
£2,367 GBP
View
Retailer 10
-
$3,426 USD
View
Price under review
Retailer 11
-
$3,589 USD
View
Price under review
Retailer 12
-
$4,097 USD
View
Price under review
Most Expensive
Flawless Fine Jewelry
B3B7B026F · Nov 2
$4,526 USD
£3,564 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $1,660 USDSave up to $1,346 USD

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
1.50ct Radiant
$1,660 USD