Round|Lab Grown|IGI

1.57ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG660459159

Certificate IGI LG660459159

Diamond specifications and retailer prices

From €1,052 EUR
$1,180 USD
As of November 2, 2026
Save €695 EUR (40%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,747 EUR at Jared · As of November 2, 2026
View at Jared

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660459159 or 660459159. Listed at 3 retailers as of November 2, 2026, with prices from €1,052 to €1,747, a €695 spread on the same certified stone. Jared lists it at €1,747. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.57
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459159
Dimensions7.44 × 7.50 mm
L/W Ratio1.01
Top View
7.44 mm7.50 mm1.57 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459159
Side View
Table 56.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,747 EUR|Low: €1,052 EUR|High: €1,747 EUR|Avg: €1,319 EUR
Jared
Retailer 2
Retailer 3
April 27, 2026
Retailer 2€1,052 EUR
Retailer 3€1,052 EUR
Jared€1,747 EUR

7 data points across 3 retailers

3 retailers€1,052 EUR to €1,747 EUR

B
Cheapest Retailer
-
€1,052 EUR
$1,180 USD
B
Retailer 2
-
€1,052 EUR
$1,180 USD
View
Most Expensive
B
Jared
154529054 · Nov 2
€1,747 EUR
$1,960 USD
View
2 more retailers have this diamond
Prices start from €1,052 EURSave up to €695 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.

B
1.57ct Round
€1,052 EUR