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Marquise|Lab Grown|IGI

1.55ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG821644339

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821644339

Diamond specifications and retailer prices

From €230 EUR
$258 USD
As of November 1, 2026
Save €769 EUR (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €999 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821644339 or 821644339. Listed at 3 retailers as of November 1, 2026, with prices from €230 to €999, a €769 spread on the same certified stone. Brilliant Earth lists it at €999. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821644339
Dimensions12.04 × 6.20 × 3.80 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.04 mm6.20 mm1.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821644339
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €999 EUR|Low: €230 EUR|High: €1,275 EUR|Avg: €640 EUR|-21.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3€230 EUR
Retailer 6€427 EUR
Retailer 5€454 EUR
Retailer 2€493 EUR
Retailer 4€902 EUR
Brilliant Earth€999 EUR

36 data points across 6 retailers

3 retailers€230 EUR to €999 EUR

A
Cheapest Retailer
-
€230 EUR
$258 USD
Final sale: no returns
A
Retailer 2
-
€493 EUR
£435 GBP
View
Most Expensive
B+
Brilliant Earth
21236128A · Nov 2
€999 EUR
$1,120 USD
View
2 more retailers have this diamond
Prices start from €230 EURSave up to €769 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
1.55ct Marquise
€230 EUR