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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 €283 EUR
$316 USD
As of November 2, 2026
Save €1,123 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,406 EUR 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 €283 to €1,406, a €1,123 spread on the same certified stone. MOH London lists it at €1,406. 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
Color
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: €1,406 EUR|Low: €271 EUR|High: €1,423 EUR|Avg: €670 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
November 1, 2026
Retailer 9€283 EUR
Retailer 2€304 EUR
Retailer 3€316 EUR
Retailer 13€328 EUR
Retailer 10€351 EUR
Retailer 14€351 EUR
Retailer 4€488 EUR
Retailer 12€570 EUR
Retailer 7€643 EUR
Retailer 5€682 EUR
Retailer 8€1,028 EUR
Retailer 11€1,128 EUR
MOH London€1,406 EUR
Retailer 6€1,410 EUR

27 data points across 14 retailers

11 retailers€283 EUR to €1,406 EUR

B+
Cheapest Retailer
-
€283 EUR
$316 USD
B+
Retailer 2
-
€304 EUR
$340 USD
View
B+
Retailer 3
-
€316 EUR
$353 USD
View
Final sale: no returns
B+
Retailer 4
-
€328 EUR
$367 USD
View
Retailer 5
-
€351 EUR
$392 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€351 EUR
$392 USD
View
B
Retailer 7
-
€570 EUR
$637 USD
View
B
Retailer 8
-
€643 EUR
View
B
Retailer 9
-
€1,028 EUR
$1,149 USD
View
B
Retailer 10
-
€1,128 EUR
$1,260 USD
View
Most Expensive
B
MOH London
LG407941507 · Nov 1
€1,406 EUR
£1,237 GBP
View
10 more retailers have this diamond
Prices start from €283 EURSave up to €1,123 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.

B+
0.53ct Marquise
€283 EUR