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Round|Lab Grown|IGI

3.57ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG655442262

Shape and cutting style on the report: Round brilliant

Certificate IGI LG655442262

Diamond specifications and retailer prices

From €359 EUR
$401 USD
As of November 1, 2026
Save €1,392 EUR (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,751 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3.57ct lab-grown round diamond

This 3.57ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG655442262 or 655442262. Listed at 15 retailers as of October 29, 2026, with prices from €359 to €1,751, a €1,392 spread on the same certified stone. MOH London lists it at €1,751. 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

3.57
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655442262
Dimensions9.89 × 9.87 × 5.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.89 mm9.87 mm3.57 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655442262
Side View
Table 58.0%Crown 34.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.6%

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 1
Current: €1,751 EUR|Low: €359 EUR|High: €4,502 EUR|Avg: €1,425 EUR
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 12€359 EUR
Retailer 6€403 EUR
Retailer 16€446 EUR
Retailer 17€493 EUR
Retailer 13€577 EUR
Retailer 2€620 EUR
Retailer 4€705 EUR
Retailer 14€708 EUR
Retailer 10€730 EUR
Retailer 15€740 EUR
Retailer 3€1,165 EUR
Retailer 11€1,250 EUR
Retailer 5€1,432 EUR
MOH London€1,751 EUR
Retailer 7€2,314 EUR
Retailer 8€4,379 EUR
Retailer 9€4,502 EUR

6 data points across 17 retailers

15 retailers€359 EUR to €1,751 EUR

A
Cheapest Retailer
-
€359 EUR
$401 USD
A
Retailer 2
-
€403 EUR
$450 USD
View
A
Retailer 3
-
€446 EUR
$498 USD
View
A
Retailer 4
-
€493 EUR
HK$4,300 HKD
View
A
Retailer 5
-
€577 EUR
$645 USD
View
A
Retailer 6
-
€620 EUR
£545 GBP
View
B+
Retailer 7
-
€705 EUR
$788 USD
View
A
Retailer 8
-
€708 EUR
View
A
Retailer 9
-
€730 EUR
£642 GBP
View
A
Retailer 10
-
€740 EUR
$827 USD
View
B+
Retailer 11
-
€1,165 EUR
$1,302 USD
View
B+
Retailer 12
-
€1,250 EUR
$1,396 USD
View
B+
Retailer 13
-
€1,432 EUR
$1,600 USD
View
B
Retailer 14
-
€1,710 EUR
$1,910 USD
View
Most Expensive
B
MOH London
LG655442262 · Oct 29
€1,751 EUR
£1,540 GBP
View
14 more retailers have this diamond
Prices start from €359 EURSave up to €1,392 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
3.57ct Round
€359 EUR