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Marquise|Lab Grown|IGI

1.09ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG839694043

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839694043

Diamond specifications and retailer prices

From €151 EUR
$169 USD
As of October 30, 2026
Save €448 EUR (75%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €600 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839694043 or 839694043. Listed at 3 retailers as of October 26, 2026, with prices from €151 to €600, a €448 spread on the same certified stone. Brilliant Earth lists it at €600. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839694043
Dimensions10.57 × 5.27 × 3.39 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.57 mm5.27 mm1.09 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839694043
Side View
Table 60.0%Crown 35.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €600 EUR|Low: €151 EUR|High: €609 EUR|Avg: €398 EUR|-1.5%
Brilliant Earth
Retailer 2
Retailer 3
October 28, 2026
Retailer 2€151 EUR
Retailer 3€304 EUR
Brilliant Earth€600 EUR

24 data points across 3 retailers

3 retailers€151 EUR to €600 EUR

A
Cheapest Retailer
-
€151 EUR
$169 USD
Final sale: no returns
A
Retailer 2
-
€304 EUR
£267 GBP
View
Most Expensive
B+
Brilliant Earth
21601505A · Oct 26
€600 EUR
$670 USD
View
2 more retailers have this diamond
Prices start from €151 EURSave up to €448 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
1.09ct Marquise
€151 EUR