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Marquise|Lab Grown|IGI

1.72ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG849656354

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG849656354

Diamond specifications and retailer prices

From £233 GBP
As of November 2, 2026
Save £804 GBP (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,037 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG849656354 or 849656354. Listed at 10 retailers as of October 31, 2026, with prices from £233 to £1,037, a £804 spread on the same certified stone. Brilliant Earth lists it at £1,037. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849656354
Dimensions11.76 × 6.17 × 4.02 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.76 mm6.17 mm1.72 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849656354
Side View
Table 62.0%Crown 38.1°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,037 GBP|Low: £233 GBP|High: £1,037 GBP|Avg: £550 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2£233 GBP
Retailer 9£275 GBP
Retailer 4£344 GBP
Retailer 3£366 GBP
Retailer 7£444 GBP
Retailer 6£643 GBP
Retailer 10£680 GBP
Retailer 8£758 GBP
Retailer 5£799 GBP
Brilliant Earth£1,037 GBP

6 data points across 10 retailers

10 retailers£233 GBP to £1,037 GBP

A
Cheapest Retailer
-
£233 GBP
B+
Retailer 2
-
£275 GBP
$368 USD
View
A
Retailer 3
-
£344 GBP
ZAR 7,449 ZAR
View
A
Retailer 4
-
£366 GBP
View
A
Retailer 5
-
£444 GBP
$595 USD
View
B+
Retailer 6
-
£643 GBP
$861 USD
View
B+
Retailer 7
-
£680 GBP
$911 USD
View
B+
Retailer 8
-
£758 GBP
$1,016 USD
View
B+
Retailer 9
-
£799 GBP
View
Most Expensive
B
Brilliant Earth
22347386A · Oct 31
£1,037 GBP
$1,390 USD
View
9 more retailers have this diamond
Prices start from £233 GBPSave up to £804 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
£233 GBP