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Radiant|Lab Grown|IGI

1.57ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG813641198

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

Certificate IGI LG813641198

Diamond specifications and retailer prices

From $249 USD
As of November 2, 2026
Save $965 USD (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,237 USD at MOH London · As of October 25, 2026
View at MOH London

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 LG813641198 or 813641198. Listed at 20 retailers as of November 1, 2026, with a 388% 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

1.57
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813641198
Dimensions8.57 × 5.80 × 3.75 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.57 mm5.80 mm1.57 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813641198
Side View
Table 67.0%Crown 41.8°Girdle: MED-STKPavilion 34.5°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
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: $1,237 USD|Low: $239 USD|High: $1,251 USD|Avg: $641 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 18
November 2, 2026
Retailer 18$249 USD
Retailer 8$288 USD
Retailer 4$308 USD
Retailer 9$308 USD
Retailer 15$362 USD
Retailer 6$517 USD
Retailer 11$532 USD
Retailer 7$556 USD
Retailer 10$560 USD
Retailer 12$564 USD
Retailer 2$586 USD
Retailer 13$719 USD
Retailer 14$922 USD
Retailer 5$991 USD
Retailer 16$995 USD
Retailer 3$1,010 USD
Retailer 17$1,214 USD
MOH London$1,237 USD

44 data points across 18 retailers

20 retailers$249 USD to $1,214 USD

A
Cheapest Retailer
-
$249 USD
A
Retailer 2
-
$288 USD
View
Retailer 3
-
$308 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$308 USD
View
Retailer 5
-
$362 USD
£285 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
$517 USD
View
A
Retailer 7
-
$532 USD
ZAR 8,601 ZAR
View
A
Retailer 8
-
$556 USD
View
A
Retailer 9
-
$560 USD
View
A
Retailer 10
-
$564 USD
€537 EUR
View
A
Retailer 11
-
$586 USD
£462 GBP
View
B+
Retailer 12
-
$719 USD
A$1,106 AUD
View
Retailer 13
-
$922 USD
A$1,419 AUD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$969 USD
View
B+
Retailer 15
-
$991 USD
View
B
Retailer 16
-
$995 USD
View
B+
Retailer 17
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$1,010 USD
View
B
Retailer 18
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$1,043 USD
View
B
Retailer 19
-
$1,214 USD
View
Most Expensive
MOH London
LG813641198 · Oct 25
$1,237 USD
£974 GBP
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $249 USDSave up to $965 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
$249 USD