Marquise|Lab Grown|IGI

1.72ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG841676155

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841676155

Diamond specifications and retailer prices

From $252 USD
As of October 31, 2026
Save $1,128 USD (82%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,380 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.72ct lab-grown marquise diamond

This 1.72ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841676155 or 841676155. Listed at 3 retailers as of October 30, 2026, with prices from $252 to $1,380, a $1,128 spread on the same certified stone. Brilliant Earth lists it at $1,380. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841676155
Dimensions12.64 × 6.09 × 3.90 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.64 mm6.09 mm1.72 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841676155
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $1,380 USD|Low: $252 USD|High: $1,970 USD|Avg: $1,024 USD|-29.9%
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$252 USD
Retailer 2$543 USD
Brilliant Earth$1,380 USD

24 data points across 3 retailers

3 retailers$252 USD to $1,380 USD

A
Cheapest Retailer
-
$252 USD
Final sale: no returns
A
Retailer 2
-
$543 USD
£427 GBP
View
Most Expensive
B
Brilliant Earth
21704692A · Oct 30
$1,380 USD
View
2 more retailers have this diamond
Prices start from $252 USDSave up to $1,128 USD

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
1.72ct Marquise
$252 USD