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Marquise|Lab Grown|IGI

0.90ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG22263909

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG22263909

Diamond specifications and retailer prices

From £687 GBP
$922 USD
As of November 1, 2026
Save £1,277 GBP (65%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,964 GBP at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 0.9ct lab-grown marquise diamond

This 0.9ct lab-grown marquise sits in the just-under-one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG22263909 or 22263909. Listed at 2 retailers as of November 1, 2026, with prices from £687 to £1,964, a £1,277 spread on the same certified stone. The Diamond Guys lists it at £1,964. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.90
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG22263909
Dimensions9.36 × 5.11 × 3.17 mm
L/W Ratio1.83
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
9.36 mm5.11 mm0.90 ctH / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG22263909
Side View
Table 61.0%Crown 36°Girdle: Very ThickPavilion 36.5°Culet: NoneDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: £687 GBP|Low: £533 GBP|High: £1,964 GBP|Avg: £932 GBP|+2.8%
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
November 2, 2026
Retailer 2£533 GBP
Retailer 3£551 GBP
Retailer 1£687 GBP
The Diamond Guys£1,964 GBP

3 data points across 4 retailers

2 retailers£687 GBP to £1,964 GBP

B+
Cheapest Retailer
-
£687 GBP
$922 USD
Most Expensive
C
The Diamond Guys
1998850859 · Nov 2
£1,964 GBP
$2,635 USD
View
1 more retailer has this diamond
Prices start from £687 GBPSave up to £1,277 GBP

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+
0.90ct Marquise
£687 GBP