Radiant|Lab Grown|IGI

1.56ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG675583642

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

Certificate IGI LG675583642

Diamond specifications and retailer prices

From $190 USD
As of October 30, 2026
Save $1,040 USD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,230 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG675583642 or 675583642. Listed at 20 retailers as of October 28, 2026, with prices from $190 to $1,230, a $1,040 spread on the same certified stone. Brilliant Earth lists it at $1,230. 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 angle48.1°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675583642
Dimensions8.18 × 5.76 × 3.93 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.18 mm5.76 mm1.56 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675583642
Side View
Table 68.0%Crown 48.1°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,230 USD|Low: $182 USD|High: $1,270 USD|Avg: $590 USD|-3.1%
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
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Retailer 17
October 30, 2026
Retailer 15$190 USD
Retailer 7$220 USD
Retailer 8$235 USD
Retailer 17$235 USD
Retailer 2$289 USD
Retailer 5$413 USD
Retailer 10$427 USD
Retailer 12$439 USD
Retailer 6$493 USD
Retailer 9$495 USD
Retailer 4$756 USD
Retailer 13$758 USD
Retailer 16$870 USD
Retailer 3$978 USD
Retailer 11$1,101 USD
Retailer 14$1,219 USD
Brilliant Earth$1,230 USD

41 data points across 17 retailers

20 retailers$190 USD to $1,230 USD

A
Cheapest Retailer
-
$190 USD
A
Retailer 2
-
$220 USD
View
A
Retailer 3
-
$235 USD
View
A
Retailer 4
-
$235 USD
View
A
Retailer 5
-
$289 USD
£227 GBP
View
B+
Retailer 6
-
$413 USD
View
A
Retailer 7
-
$427 USD
£336 GBP
View
Retailer 8
-
$439 USD
€418 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$493 USD
View
A
Retailer 10
-
$495 USD
View
B+
Retailer 11
-
$756 USD
View
B+
Retailer 12
-
$758 USD
View
Retailer 13
-
$810 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$870 USD
View
B+
Retailer 15
-
$912 USD
£718 GBP
View
B+
Retailer 16
-
$946 USD
View
B+
Retailer 17
-
$978 USD
View
B
Retailer 18
-
$1,101 USD
£867 GBP
View
B
Retailer 19
-
$1,219 USD
£960 GBP
View
Most Expensive
B
Brilliant Earth
13300157A · Oct 28
$1,230 USD
View
19 more retailers have this diamond
Prices start from $190 USDSave up to $1,040 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.

A
1.56ct Radiant
$190 USD