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Marquise|Lab Grown|IGI

1.38ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG786666141

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786666141

Diamond specifications and retailer prices

From £164 GBP
$220 USD
As of November 2, 2026
Save £1,256 GBP (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,420 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.38ct lab-grown marquise diamond

This 1.38ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786666141 or 786666141. Listed at 21 retailers as of October 27, 2026, with prices from £164 to £1,420, a £1,256 spread on the same certified stone. Queensmith lists it at £1,420. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786666141
Dimensions11.02 × 6.01 × 3.59 mm
L/W Ratio1.83
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.02 mm6.01 mm1.38 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG786666141
Side View
Table 60.0%Crown 37°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 59.7%

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: Nov 2
Current: £374 GBP|Low: £164 GBP|High: £986 GBP|Avg: £437 GBP|+3.8%
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
November 2, 2026
Retailer 5£164 GBP
Retailer 13£183 GBP
Retailer 11£203 GBP
Retailer 15£203 GBP
Retailer 4£274 GBP
Retailer 8£350 GBP
Retailer 10£353 GBP
Retailer 1£374 GBP
Retailer 2£388 GBP
Retailer 7£438 GBP
Retailer 14£655 GBP
Retailer 6£692 GBP
Retailer 12£697 GBP
Retailer 9£814 GBP
Retailer 3£936 GBP

44 data points across 15 retailers

21 retailers£164 GBP to £1,420 GBP

Retailer 1
-
£164 GBP
$220 USD
Price last confirmed 14 days ago
Retailer 2
-
£164 GBP
$220 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
£164 GBP
$220 USD
View
A
Retailer 4
-
£183 GBP
$245 USD
View
Final sale: no returns
Retailer 5
-
£190 GBP
$255 USD
View
Price last confirmed 34 days ago
Retailer 6
-
£200 GBP
$269 USD
View
Price last confirmed 34 days ago
Retailer 7
-
£203 GBP
$272 USD
View
Price last confirmed 8 days ago
Retailer 8
-
£203 GBP
$272 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
£274 GBP
$368 USD
View
A
Retailer 10
-
£350 GBP
ZAR 7,598 ZAR
View
A
Retailer 11
-
£353 GBP
€451 EUR
View
A
Retailer 12
-
£374 GBP
View
A
Retailer 13
-
£388 GBP
$521 USD
View
B+
Retailer 14
-
£438 GBP
$588 USD
View
Retailer 15
-
£653 GBP
$876 USD
View
Price last confirmed 33 days ago
B
Retailer 16
-
£655 GBP
$879 USD
View
B
Retailer 17
-
£692 GBP
$928 USD
View
B
Retailer 18
-
£697 GBP
$935 USD
View
B
Retailer 19
-
£814 GBP
View
B
Retailer 20
-
£936 GBP
$1,256 USD
View
Most Expensive
B
Queensmith
LG786666141 · Oct 27
£1,420 GBP
View
20 more retailers have this diamond
Prices start from £164 GBPSave up to £1,256 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
1.38ct Marquise
£164 GBP