Marquise|Lab Grown|IGI

0.57ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG526287683

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG526287683

Diamond specifications and retailer prices

From €121 EUR
$136 USD
As of November 2, 2026
Save €388 EUR (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,255 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 0.57ct lab-grown marquise diamond

This 0.57ct lab-grown marquise sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526287683 or 526287683. Listed at 13 retailers as of November 2, 2026, with a 320% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.57
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526287683
Dimensions8.18 × 4.31 × 2.69 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.18 mm4.31 mm0.57 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526287683
Side View
Table 57.5%Crown 36.7°Girdle: MED-THKPavilion 38.1°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,255 EUR|Low: €116 EUR|High: €1,268 EUR|Avg: €341 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 7€121 EUR
Retailer 4€135 EUR
Retailer 11€140 EUR
Retailer 8€150 EUR
Retailer 12€150 EUR
Retailer 2€255 EUR
Retailer 10€283 EUR
Retailer 5€285 EUR
Retailer 3€354 EUR
Retailer 9€482 EUR
Retailer 6€509 EUR
MOH London€1,255 EUR

44 data points across 12 retailers

13 retailers€121 EUR to €509 EUR

A
Cheapest Retailer
-
€121 EUR
$136 USD
A
Retailer 2
-
€135 EUR
$151 USD
View
Final sale: no returns
A
Retailer 3
-
€140 EUR
$157 USD
View
A
Retailer 4
-
€150 EUR
$168 USD
View
Retailer 5
-
€150 EUR
$168 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€255 EUR
£225 GBP
View
B+
Retailer 7
-
€283 EUR
$317 USD
View
B+
Retailer 8
-
€285 EUR
$320 USD
View
B+
Retailer 9
-
€308 EUR
HK$2,700 HKD
View
B+
Retailer 10
-
€354 EUR
$397 USD
View
B
Retailer 11
-
€482 EUR
$541 USD
View
B
Retailer 12
-
€509 EUR
$571 USD
View
Most Expensive
MOH London
LG526287683 · Oct 26
€1,255 EUR
£1,108 GBP
View
Price under review
12 more retailers have this diamond
Prices start from €121 EURSave up to €388 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
0.57ct Marquise
€121 EUR