Marquise|Lab Grown|IGI

0.53ct H SI1 Marquise Lab Grown Diamond

VG • H/SI1 • IGI LG407941507

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG407941507

Diamond specifications and retailer prices

From $451 AUD
$316 USD
As of November 2, 2026
Save $1,791 AUD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,242 AUD at MOH London · As of November 1, 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 very-good cut grade and certified by IGI LG407941507 or 407941507. Listed at 11 retailers as of November 1, 2026, with prices from $451 to $2,242, a $1,791 spread on the same certified stone. MOH London lists it at $2,242. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.53
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.4°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407941507
Dimensions8.31 × 4.35 × 2.68 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
8.31 mm4.35 mm0.53 ctH / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407941507
Side View
Table 59.5%Crown 33.4°Girdle: THN-STKPavilion 42.3°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,242 AUD|Low: $432 AUD|High: $2,269 AUD|Avg: $1,067 AUD
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
November 2, 2026
Retailer 9$451 AUD
Retailer 7$485 AUD
Retailer 3$504 AUD
Retailer 13$524 AUD
Retailer 10$559 AUD
Retailer 14$559 AUD
Retailer 4$778 AUD
Retailer 12$909 AUD
Retailer 2$1,017 AUD
Retailer 5$1,087 AUD
Retailer 8$1,640 AUD
Retailer 11$1,798 AUD
MOH London$2,242 AUD
Retailer 6$2,247 AUD

28 data points across 14 retailers

11 retailers$451 AUD to $2,242 AUD

B+
Cheapest Retailer
-
$451 AUD
$316 USD
B+
Retailer 2
-
$485 AUD
$340 USD
View
B+
Retailer 3
-
$504 AUD
$353 USD
View
Final sale: no returns
B+
Retailer 4
-
$524 AUD
$367 USD
View
Retailer 5
-
$559 AUD
$392 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$559 AUD
$392 USD
View
B
Retailer 7
-
$909 AUD
$637 USD
View
B
Retailer 8
-
$1,017 AUD
€679 EUR
View
B
Retailer 9
-
$1,640 AUD
$1,149 USD
View
B
Retailer 10
-
$1,798 AUD
$1,260 USD
View
Most Expensive
B
MOH London
LG407941507 · Nov 1
$2,242 AUD
£1,237 GBP
View
10 more retailers have this diamond
Prices start from $451 AUDSave up to $1,791 AUD

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+
0.53ct Marquise
$451 AUD