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Radiant|Lab Grown|IGI

1.57ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG766619928

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

Certificate IGI LG766619928

Diamond specifications and retailer prices

From €229 EUR
$257 USD
As of October 30, 2026
Save €2,027 EUR (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,256 EUR at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG766619928 or 766619928. Listed at 18 retailers as of October 30, 2026, with prices from €229 to €2,256, a €2,027 spread on the same certified stone. Brilliant Earth lists it at €2,256. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766619928
Dimensions8.28 × 5.67 × 3.83 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.28 mm5.67 mm1.57 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766619928
Side View
Table 66.0%Crown 44.9°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 67.5%

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: Oct 30
Current: €2,256 EUR|Low: €229 EUR|High: €2,274 EUR|Avg: €844 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
November 1, 2026
Retailer 5€229 EUR
Retailer 7€257 EUR
Retailer 4€266 EUR
Retailer 11€323 EUR
Retailer 6€361 EUR
Retailer 3€393 EUR
Retailer 14€397 EUR
Retailer 12€509 EUR
Retailer 17€521 EUR
Retailer 13€730 EUR
Retailer 16€805 EUR
Retailer 10€939 EUR
Retailer 9€1,009 EUR
Retailer 8€1,100 EUR
Retailer 2€1,258 EUR
Retailer 15€1,605 EUR
Retailer 18€2,033 EUR
Brilliant Earth€2,256 EUR

39 data points across 18 retailers

18 retailers€229 EUR to €2,256 EUR

A
Cheapest Retailer
-
€229 EUR
$257 USD
A
Retailer 2
-
€257 EUR
$288 USD
View
Final sale: no returns
A
Retailer 3
-
€266 EUR
$298 USD
View
A
Retailer 4
-
€323 EUR
£285 GBP
View
A
Retailer 5
-
€361 EUR
$405 USD
View
B+
Retailer 6
-
€393 EUR
$441 USD
View
A
Retailer 7
-
€397 EUR
$445 USD
View
A
Retailer 8
-
€509 EUR
View
A
Retailer 9
-
€521 EUR
$584 USD
View
A
Retailer 10
-
€730 EUR
A$1,260 AUD
View
B+
Retailer 11
-
€805 EUR
$903 USD
View
B+
Retailer 12
-
€939 EUR
$1,054 USD
View
B+
Retailer 13
-
€1,009 EUR
$1,132 USD
View
B+
Retailer 14
-
€1,100 EUR
$1,234 USD
View
B+
Retailer 15
-
€1,258 EUR
£1,111 GBP
View
Retailer 16
-
€1,605 EUR
$1,800 USD
View
Price last confirmed 14 days ago
B
Retailer 17
-
€2,033 EUR
$2,280 USD
View
Most Expensive
B
Brilliant Earth
21400452Y · Oct 31
€2,256 EUR
$2,530 USD
View
17 more retailers have this diamond
Prices start from €229 EURSave up to €2,027 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
€229 EUR