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Marquise|Lab Grown|IGI

0.53ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG538299266

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG538299266

Diamond specifications and retailer prices

From $128 USD
As of October 30, 2026
Save $1,206 USD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,334 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.53ct lab-grown marquise diamond

This 0.53ct 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 LG538299266 or 538299266. Listed at 12 retailers as of October 29, 2026, with prices from $128 to $1,334, a $1,206 spread on the same certified stone. MOH London lists it at $1,334. 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

0.53
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538299266
Dimensions8.49 × 4.06 × 2.64 mm
L/W Ratio2.09
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
8.49 mm4.06 mm0.53 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538299266
Side View
Table 59.5%Crown 37°Girdle: THN-STKPavilion 40.9°Culet: NoneDepth 65.0%

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: Oct 30
Current: $1,334 USD|Low: $123 USD|High: $1,342 USD|Avg: $407 USD|-0.6%
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
October 30, 2026
Retailer 8$128 USD
Retailer 12$149 USD
Retailer 9$159 USD
Retailer 13$159 USD
Retailer 2$290 USD
Retailer 11$304 USD
Retailer 4$307 USD
Retailer 6$384 USD
Retailer 3$387 USD
Retailer 10$511 USD
Retailer 7$540 USD
Retailer 5$590 USD
MOH London$1,334 USD

20 data points across 13 retailers

12 retailers$128 USD to $1,334 USD

A
Cheapest Retailer
-
$128 USD
A
Retailer 2
-
$149 USD
View
A
Retailer 3
-
$159 USD
View
A
Retailer 4
-
$159 USD
View
A
Retailer 5
-
$290 USD
View
A
Retailer 6
-
$304 USD
View
A
Retailer 7
-
$307 USD
HK$2,400 HKD
View
B+
Retailer 8
-
$384 USD
£302 GBP
View
B+
Retailer 9
-
$387 USD
View
B+
Retailer 10
-
$511 USD
View
B+
Retailer 11
-
$540 USD
View
Most Expensive
B
MOH London
LG538299266 · Oct 29
$1,334 USD
£1,050 GBP
View
11 more retailers have this diamond
Prices start from $128 USDSave up to $1,206 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
0.53ct Marquise
$128 USD