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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 £188 GBP
$252 USD
As of November 1, 2026
Save £842 GBP (82%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,030 GBP at Brilliant Earth · As of October 31, 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 31, 2026, with prices from £188 to £1,030, a £842 spread on the same certified stone. Brilliant Earth lists it at £1,030. 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
Colour
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: Nov 1
Current: £1,030 GBP|Low: £188 GBP|High: £1,470 GBP|Avg: £754 GBP|-29.9%
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3£188 GBP
Retailer 2£408 GBP
Brilliant Earth£1,030 GBP

25 data points across 3 retailers

3 retailers£188 GBP to £1,030 GBP

A
Cheapest Retailer
-
£188 GBP
$252 USD
Final sale: no returns
A
Retailer 2
-
£408 GBP
View
Most Expensive
B
Brilliant Earth
21704692A · Oct 31
£1,030 GBP
$1,380 USD
View
2 more retailers have this diamond
Prices start from £188 GBPSave up to £842 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.

A
1.72ct Marquise
£188 GBP