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Marquise|Lab Grown|IGI

0.57ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436045402

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436045402

Diamond specifications and retailer prices

From $338 USD
As of November 2, 2026
Save $1,341 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,679 USD at MOH London · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045402 or 436045402. Listed at 12 retailers as of November 1, 2026, with prices from $338 to $1,679, a $1,341 spread on the same certified stone. MOH London lists it at $1,679. 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
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045402
Dimensions8.38 × 4.36 × 2.68 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.38 mm4.36 mm0.57 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045402
Side View
Table 60.0%Crown 36.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

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: $1,679 USD|Low: $324 USD|High: $1,699 USD|Avg: $821 USD
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
November 1, 2026
Retailer 11$338 USD
Retailer 2$370 USD
Retailer 3$378 USD
Retailer 8$381 USD
Retailer 15$392 USD
Retailer 12$419 USD
Retailer 16$419 USD
Retailer 5$570 USD
Retailer 14$675 USD
Retailer 9$756 USD
Retailer 6$799 USD
Retailer 10$1,228 USD
Retailer 13$1,346 USD
Retailer 4$1,527 USD
MOH London$1,679 USD
Retailer 7$1,683 USD

22 data points across 16 retailers

12 retailers$338 USD to $1,679 USD

A
Cheapest Retailer
-
$338 USD
A
Retailer 2
-
$370 USD
View
B+
Retailer 3
-
$378 USD
View
Final sale: no returns
B+
Retailer 4
-
$392 USD
View
Retailer 5
-
$419 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$419 USD
View
B
Retailer 7
-
$675 USD
View
Retailer 8
-
$756 USD
€720 EUR
View
Price last confirmed 8 days ago
B
Retailer 9
-
$1,228 USD
View
B
Retailer 10
-
$1,346 USD
View
B
Retailer 11
-
$1,527 USD
View
Most Expensive
B
MOH London
LG436045402 · Nov 1
$1,679 USD
£1,322 GBP
View
11 more retailers have this diamond
Prices start from $338 USDSave up to $1,341 USD

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
$338 USD