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Marquise|Lab Grown|IGI

1.73ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG843627266

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843627266

Diamond specifications and retailer prices

From €232 EUR
$259 USD
As of November 1, 2026
Save €1,093 EUR (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,325 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.73ct lab-grown marquise diamond

This 1.73ct 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 LG843627266 or 843627266. Listed at 3 retailers as of October 31, 2026, with prices from €232 to €1,325, a €1,093 spread on the same certified stone. Brilliant Earth lists it at €1,325. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843627266
Dimensions11.90 × 6.33 × 3.99 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.90 mm6.33 mm1.73 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843627266
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €1,325 EUR|Low: €232 EUR|High: €1,996 EUR|Avg: €999 EUR|-33.6%
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3€232 EUR
Retailer 2€502 EUR
Brilliant Earth€1,325 EUR

23 data points across 3 retailers

3 retailers€232 EUR to €1,325 EUR

A
Cheapest Retailer
-
€232 EUR
$259 USD
Final sale: no returns
A
Retailer 2
-
€502 EUR
£442 GBP
View
Most Expensive
B
Brilliant Earth
21744868A · Oct 31
€1,325 EUR
$1,480 USD
View
2 more retailers have this diamond
Prices start from €232 EURSave up to €1,093 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
1.73ct Marquise
€232 EUR