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Marquise|Lab Grown|IGI

0.74ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG512227395

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG512227395

Diamond specifications and retailer prices

From £369 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: £369 GBP at MD Diamonds and Jewellers
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at MD Diamonds and Jewellers

About this 0.74ct lab-grown marquise diamond

This 0.74ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512227395 or 512227395. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

0.74
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512227395
Dimensions9.28 × 4.76 × 3.00 mm
L/W Ratio1.95
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
9.28 mm4.76 mm0.74 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512227395
Side View
Table 62.0%Crown 35.6°GirdlePavilion 40.8°Culet: NoneDepth 63.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £369 GBP|Low: £162 GBP|High: £597 GBP|Avg: £376 GBP
MD Diamonds and Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
March 23, 2026
Retailer 3£162 GBP
Retailer 7£189 GBP
Retailer 5£245 GBP
Retailer 4£340 GBP
MD Diamonds and Jewellers£369 GBP
Retailer 2£563 GBP
Retailer 6£597 GBP

32 data points across 7 retailers

1 retailer

B
MD Diamonds and Jewellers
LG512227395 · Oct 29
£369 GBP
View

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
0.74ct Marquise
£369 GBP