Round|Lab Grown|IGI

1.57ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG776679751

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776679751

Diamond specifications and retailer prices

From €687 EUR
$770 USD
As of November 2, 2026
Save €2,693 EUR (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,379 EUR at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round 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 LG776679751 or 776679751. Listed at 12 retailers as of November 1, 2026, with prices from €687 to €3,379, a €2,693 spread on the same certified stone. Brilliant Earth lists it at €3,379. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776679751
Dimensions7.44 × 7.48 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm7.48 mm1.57 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776679751
Side View
Table 57.0%Crown 34.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.7%

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: Nov 2
Current: €3,379 EUR|Low: €627 EUR|High: €3,379 EUR|Avg: €1,508 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7€627 EUR
Retailer 11€829 EUR
Retailer 10€886 EUR
Retailer 4€1,080 EUR
Retailer 2€1,188 EUR
Retailer 8€1,422 EUR
Retailer 6€1,814 EUR
Retailer 9€2,016 EUR
Retailer 3€2,337 EUR
Retailer 5€2,724 EUR
Brilliant Earth€3,379 EUR

42 data points across 11 retailers

12 retailers€687 EUR to €3,379 EUR

Retailer 1
-
€627 EUR
$703 USD
Price last confirmed 17 days ago
A
Retailer 2
-
€687 EUR
$770 USD
View
B+
Retailer 3
-
€829 EUR
$930 USD
View
B+
Retailer 4
-
€886 EUR
$994 USD
View
B+
Retailer 5
-
€1,080 EUR
£954 GBP
View
B+
Retailer 6
-
€1,188 EUR
ZAR 21,531 ZAR
View
Retailer 7
-
€1,422 EUR
A$2,453 AUD
View
Price last confirmed 25 days ago
Retailer 8
-
€1,814 EUR
$2,035 USD
View
Price last confirmed 12 days ago
B
Retailer 9
-
€2,016 EUR
$2,261 USD
View
B
Retailer 10
-
€2,337 EUR
$2,621 USD
View
B
Retailer 11
-
€2,724 EUR
£2,406 GBP
View
Most Expensive
B
Brilliant Earth
19671652A · Nov 1
€3,379 EUR
$3,790 USD
View
11 more retailers have this diamond
Prices start from €687 EURSave up to €2,693 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 Round
€687 EUR