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Radiant|Lab Grown|IGI

1.57ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG831621237

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

Certificate IGI LG831621237

Diamond specifications and retailer prices

From $243 USD
As of November 2, 2026
Save $981 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,224 USD at Brilliance · As of November 1, 2026
View at Brilliance

About this 1.57ct lab-grown radiant diamond

This 1.57ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831621237 or 831621237. Listed at 18 retailers as of November 1, 2026, with prices from $243 to $1,224, a $981 spread on the same certified stone. Brilliance lists it at $1,224. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831621237
Dimensions7.58 × 5.73 × 3.98 mm
L/W Ratio1.32
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.58 mm5.73 mm1.57 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831621237
Side View
Table 67.0%Crown 42.5°Girdle: Slightly ThickPavilion 31.1°Culet: NoneDepth 69.5%

Caratlytics Score

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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: Nov 2
Current: $1,224 USD|Low: $233 USD|High: $1,292 USD|Avg: $674 USD|-5.3%
Brilliance
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
Retailer 18
November 2, 2026
Retailer 16$243 USD
Retailer 3$281 USD
Retailer 4$301 USD
Retailer 17$301 USD
Retailer 10$346 USD
Retailer 9$405 USD
Retailer 11$519 USD
Retailer 12$542 USD
Retailer 5$554 USD
Retailer 2$570 USD
Retailer 13$701 USD
Retailer 6$905 USD
Retailer 18$967 USD
Retailer 15$970 USD
Retailer 8$989 USD
Retailer 7$1,019 USD
Retailer 14$1,207 USD
Brilliance$1,224 USD

42 data points across 18 retailers

18 retailers$243 USD to $1,224 USD

A
Cheapest Retailer
-
$243 USD
A
Retailer 2
-
$281 USD
View
Retailer 3
-
$301 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$301 USD
View
A
Retailer 5
-
$346 USD
HK$2,700 HKD
View
B+
Retailer 6
-
$405 USD
View
A
Retailer 7
-
$519 USD
ZAR 8,391 ZAR
View
A
Retailer 8
-
$542 USD
€516 EUR
View
A
Retailer 9
-
$554 USD
View
A
Retailer 10
-
$570 USD
£449 GBP
View
B+
Retailer 11
-
$701 USD
A$1,079 AUD
View
B+
Retailer 12
-
$923 USD
View
B+
Retailer 13
-
$967 USD
View
B
Retailer 14
-
$970 USD
View
B
Retailer 15
-
$989 USD
SGD 1,336 SGD
View
B
Retailer 16
-
$1,019 USD
View
B
Retailer 17
-
$1,207 USD
£950 GBP
View
Most Expensive
B
Brilliance
D44733706 · Nov 1
$1,224 USD
View
17 more retailers have this diamond
Prices start from $243 USDSave up to $981 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
1.57ct Radiant
$243 USD