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Radiant|Lab Grown|IGI

1.57ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG837628888

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

Certificate IGI LG837628888

Diamond specifications and retailer prices

From €176 EUR
$197 USD
As of October 30, 2026
Save €1,515 EUR (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,790 EUR at Brilliant Earth · As of October 13, 2026
View at Brilliant Earth

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 LG837628888 or 837628888. Listed at 19 retailers as of October 30, 2026, with a 859% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837628888
Dimensions7.87 × 5.64 × 3.82 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.87 mm5.64 mm1.57 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837628888
Side View
Table 64.0%Crown 40.7°Girdle: MediumPavilion 30.4°Culet: NoneDepth 67.7%

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: Oct 30
Current: €1,790 EUR|Low: €176 EUR|High: €1,826 EUR|Avg: €665 EUR
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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 17€176 EUR
Retailer 10€217 EUR
Retailer 4€218 EUR
Retailer 8€232 EUR
Retailer 18€283 EUR
Retailer 15€295 EUR
Retailer 13€375 EUR
Retailer 5€439 EUR
Retailer 11€448 EUR
Retailer 14€518 EUR
Retailer 6€597 EUR
Retailer 12€628 EUR
Retailer 7€822 EUR
Retailer 16€909 EUR
Retailer 3€931 EUR
Retailer 9€1,025 EUR
Retailer 2€1,692 EUR
Brilliant Earth€1,790 EUR

23 data points across 18 retailers

19 retailers€176 EUR to €1,692 EUR

A
Cheapest Retailer
-
€176 EUR
$197 USD
A
Retailer 2
-
€217 EUR
$242 USD
View
A
Retailer 3
-
€218 EUR
$244 USD
View
A
Retailer 4
-
€232 EUR
$259 USD
View
A
Retailer 5
-
€283 EUR
£249 GBP
View
B+
Retailer 6
-
€295 EUR
$330 USD
View
A
Retailer 7
-
€375 EUR
$419 USD
View
A
Retailer 8
-
€439 EUR
ZAR 7,926 ZAR
View
A
Retailer 9
-
€448 EUR
£394 GBP
View
A
Retailer 10
-
€518 EUR
$579 USD
View
A
Retailer 11
-
€597 EUR
A$1,026 AUD
View
B+
Retailer 12
-
€628 EUR
$702 USD
View
B+
Retailer 13
-
€822 EUR
$918 USD
View
Retailer 14
-
€904 EUR
$1,010 USD
View
Price last confirmed 34 days ago
B+
Retailer 15
-
€909 EUR
$1,015 USD
View
B
Retailer 16
-
€931 EUR
$1,040 USD
View
B
Retailer 17
-
€1,025 EUR
£902 GBP
View
B
Retailer 18
-
€1,692 EUR
$1,890 USD
View
Most Expensive
Brilliant Earth
21816910Y · Oct 13
€1,790 EUR
$2,000 USD
View
Price last confirmed 19 days ago
18 more retailers have this diamond
Prices start from €176 EURSave up to €1,515 EUR

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
€176 EUR