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Marquise|Lab Grown|IGI

1.50ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG811670320

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811670320

Diamond specifications and retailer prices

From £189 GBP
$253 USD
As of October 30, 2026
Save £811 GBP (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,000 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811670320 or 811670320. Listed at 15 retailers as of October 30, 2026, with prices from £189 to £1,000, a £811 spread on the same certified stone. Brilliant Earth lists it at £1,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811670320
Dimensions11.12 × 5.84 × 3.76 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.12 mm5.84 mm1.50 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811670320
Side View
Table 61.0%Crown 34.4°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.4%

Caratlytics Score

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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: Oct 30
Current: £1,000 GBP|Low: £123 GBP|High: £1,052 GBP|Avg: £571 GBP|-5.0%
Brilliant Earth
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
October 31, 2026
Retailer 7£123 GBP
Retailer 12£189 GBP
Retailer 13£290 GBP
Retailer 10£304 GBP
Retailer 3£363 GBP
Retailer 2£390 GBP
Retailer 6£521 GBP
Retailer 8£566 GBP
Retailer 15£715 GBP
Retailer 5£832 GBP
Retailer 11£857 GBP
Retailer 9£873 GBP
Retailer 4£903 GBP
Retailer 14£956 GBP
Brilliant Earth£1,000 GBP

22 data points across 15 retailers

15 retailers£189 GBP to £1,000 GBP

A
Cheapest Retailer
-
£189 GBP
$253 USD
Final sale: no returns
B+
Retailer 2
-
£290 GBP
$388 USD
View
A
Retailer 3
-
£304 GBP
$407 USD
View
A
Retailer 4
-
£363 GBP
€463 EUR
View
A
Retailer 5
-
£390 GBP
View
Retailer 6
-
£521 GBP
A$1,074 AUD
View
Price last confirmed 73 days ago
B+
Retailer 7
-
£566 GBP
$758 USD
View
B+
Retailer 8
-
£715 GBP
$959 USD
View
B+
Retailer 9
-
£773 GBP
$1,036 USD
View
B
Retailer 10
-
£832 GBP
$1,115 USD
View
B
Retailer 11
-
£857 GBP
$1,148 USD
View
B
Retailer 12
-
£873 GBP
$1,170 USD
View
B
Retailer 13
-
£903 GBP
View
B
Retailer 14
-
£956 GBP
$1,281 USD
View
Most Expensive
B
Brilliant Earth
20658608A · Oct 30
£1,000 GBP
$1,340 USD
View
14 more retailers have this diamond
Prices start from £189 GBPSave up to £811 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
£189 GBP