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Marquise|Lab Grown|IGI

0.43ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG756513637

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG756513637

Diamond specifications and retailer prices

From €294 EUR
$330 USD
As of October 31, 2026
Save €524 EUR (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €818 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 0.43ct lab-grown marquise diamond

This 0.43ct lab-grown marquise sits in the sub-half-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG756513637 or 756513637. Listed at 8 retailers as of October 31, 2026, with prices from €294 to €818, a €524 spread on the same certified stone. Taylor and Hart lists it at €818. 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

0.43
Carat
D
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756513637
Dimensions7.82 × 3.98 × 2.50 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.82 mm3.98 mm0.43 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756513637
Side View
Table 49.0%Crown 31.2°Girdle: STK-THKPavilion 39°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: €294 EUR|Low: €294 EUR|High: €830 EUR|Avg: €500 EUR|-23.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
October 30, 2026
Retailer 1€294 EUR
Retailer 7€308 EUR
Retailer 6€343 EUR
Retailer 8€388 EUR
Retailer 4€448 EUR
Retailer 3€491 EUR
Retailer 2€618 EUR
Retailer 5€718 EUR
Taylor and Hart€818 EUR

24 data points across 9 retailers

8 retailers€294 EUR to €818 EUR

A
Cheapest Retailer
-
€294 EUR
$330 USD
A
Retailer 2
-
€308 EUR
$346 USD
View
B+
Retailer 3
-
€343 EUR
$385 USD
View
B+
Retailer 4
-
€448 EUR
$503 USD
View
B+
Retailer 5
-
€491 EUR
View
B
Retailer 6
-
€618 EUR
A$1,067 AUD
View
B
Retailer 7
-
€718 EUR
CA$1,119 CAD
View
Most Expensive
B
Taylor and Hart
1GD8IRW · Oct 31
€818 EUR
$918 USD
View
7 more retailers have this diamond
Prices start from €294 EURSave up to €524 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
0.43ct Marquise
€294 EUR