Radiant|Lab Grown|IGI

1.56ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG497145094

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

Certificate IGI LG497145094

Diamond specifications and retailer prices

From $1,720 USD
As of October 29, 2026
Save $1,405 USD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,313 USD at Flawless Fine Jewelry · As of October 29, 2026
View at Flawless Fine Jewelry

About this 1.56ct lab-grown radiant diamond

This 1.56ct 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 LG497145094 or 497145094. Listed at 15 retailers as of October 29, 2026, with a 82% 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

1.56
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497145094
Dimensions7.72 × 5.85 × 3.86 mm
L/W Ratio1.32
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
7.72 mm5.85 mm1.56 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497145094
Side View
Table 64.5%Crown 40.7°Girdle: MediumPavilion 31.1°Culet: NoneDepth 66.0%

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: Oct 29
Current: $4,313 USD|Low: $1,565 USD|High: $6,576 USD|Avg: $3,714 USD|+7.6%
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
October 30, 2026
Retailer 7$1,720 USD
Retailer 12$2,192 USD
Retailer 8$2,272 USD
Retailer 3$2,440 USD
Retailer 11$3,123 USD
Retailer 2$3,125 USD
Retailer 10$3,557 USD
Retailer 6$3,731 USD
Flawless Fine Jewelry$4,313 USD
Retailer 9$6,122 USD
Retailer 4$6,146 USD
Retailer 5$6,524 USD

44 data points across 12 retailers

15 retailers$1,720 USD to $3,125 USD

B
Cheapest Retailer
-
$1,720 USD
B
Retailer 2
-
$1,959 USD
View
B
Retailer 3
-
$2,131 USD
View
B
Retailer 4
-
$2,192 USD
View
Final sale: no returns
Retailer 5
-
$2,272 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$2,272 USD
View
B
Retailer 7
-
$2,440 USD
View
B
Retailer 8
-
$3,123 USD
View
B
Retailer 9
-
$3,125 USD
£2,461 GBP
View
Retailer 10
-
$3,557 USD
View
Price under review
Retailer 11
-
$3,731 USD
View
Price under review
Most Expensive
Flawless Fine Jewelry
5F1CC971B · Oct 29
$4,313 USD
£3,396 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $1,720 USDSave up to $1,405 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
1.56ct Radiant
$1,720 USD