CaratHunter
Plans
Marquise|Lab Grown|IGI

1.50ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG846666521

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846666521

Diamond specifications and retailer prices

From £165 GBP
As of November 4, 2026
Save £679 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £844 GBP at With Clarity · As of November 5, 2026
View at With Clarity

About this 1.5ct lab-grown marquise diamond

This 1.5ct 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 LG846666521 or 846666521. Listed at 20 retailers as of November 4, 2026, with prices from £165 to £844, a £679 spread on the same certified stone. With Clarity lists it at £844. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846666521
Dimensions11.57 × 5.74 × 3.77 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.57 mm5.74 mm1.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846666521
Side View
Table 60.0%Crown 39.8°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 65.7%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £377 GBP|Low: £165 GBP|High: £844 GBP|Avg: £449 GBP|+2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
November 5, 2026
Retailer 18£165 GBP
Retailer 8£191 GBP
Retailer 2£204 GBP
Retailer 7£204 GBP
Retailer 4£237 GBP
Retailer 12£239 GBP
Retailer 3£276 GBP
Retailer 6£335 GBP
Retailer 15£353 GBP
Retailer 19£353 GBP
Retailer 1£377 GBP
Retailer 9£392 GBP
Retailer 14£478 GBP
Retailer 16£503 GBP
Retailer 5£658 GBP
Retailer 11£676 GBP
Retailer 10£696 GBP
Retailer 13£748 GBP
Retailer 17£824 GBP
With Clarity£844 GBP

17 data points across 20 retailers

20 retailers£165 GBP to £844 GBP

A
Cheapest Retailer
-
£165 GBP
A
Retailer 2
-
£191 GBP
View
Retailer 3
-
£204 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£204 GBP
View
A
Retailer 5
-
£237 GBP
View
A
Retailer 6
-
£239 GBP
View
B+
Retailer 7
-
£276 GBP
View
Retailer 8
-
£335 GBP
View
Price last confirmed 11 days ago
A
Retailer 9
-
£353 GBP
View
A
Retailer 10
-
£353 GBP
View
A
Retailer 11
-
£377 GBP
View
A
Retailer 12
-
£392 GBP
View
A
Retailer 13
-
£478 GBP
View
A
Retailer 14
-
£503 GBP
View
B+
Retailer 15
-
£658 GBP
View
B+
Retailer 16
-
£676 GBP
View
B+
Retailer 17
-
£696 GBP
View
B
Retailer 18
-
£748 GBP
View
B
Retailer 19
-
£824 GBP
View
Most Expensive
B
With Clarity
846666521 · Nov 5
£844 GBP
$1,140 USD
View
19 more retailers have this diamond
Prices start from £165 GBPSave up to £679 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
1.50ct Marquise
£165 GBP