Marquise|Lab Grown|IGI

1.38ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG818686985

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818686985

Diamond specifications and retailer prices

From £154 GBP
$205 USD
As of October 30, 2026
Save £755 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £909 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818686985 or 818686985. Listed at 17 retailers as of October 30, 2026, with prices from £154 to £909, a £755 spread on the same certified stone. Reve Diamonds lists it at £909. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686985
Dimensions10.70 × 5.38 × 3.27 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.70 mm5.38 mm1.38 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686985
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £351 GBP|Low: £148 GBP|High: £909 GBP|Avg: £467 GBP|-8.3%
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
Reve Diamonds
October 30, 2026
Retailer 2£154 GBP
Retailer 4£191 GBP
Retailer 7£191 GBP
Retailer 8£240 GBP
Retailer 9£322 GBP
Retailer 11£323 GBP
Retailer 6£330 GBP
Retailer 1£351 GBP
Retailer 5£410 GBP
Retailer 10£467 GBP
Retailer 14£601 GBP
Retailer 15£616 GBP
Retailer 3£704 GBP
Retailer 13£736 GBP
Retailer 12£897 GBP
Reve Diamonds£909 GBP

29 data points across 16 retailers

17 retailers£154 GBP to £909 GBP

A
Cheapest Retailer
-
£154 GBP
$205 USD
A
Retailer 2
-
£173 GBP
$230 USD
View
Final sale: no returns
A
Retailer 3
-
£191 GBP
$254 USD
View
A
Retailer 4
-
£191 GBP
$254 USD
View
A
Retailer 5
-
£240 GBP
View
A
Retailer 6
-
£322 GBP
€408 EUR
View
Retailer 7
-
£323 GBP
ZAR 6,948 ZAR
View
Price last confirmed 7 days ago
A
Retailer 8
-
£330 GBP
$439 USD
View
A
Retailer 9
-
£351 GBP
View
A
Retailer 10
-
£410 GBP
$546 USD
View
B+
Retailer 11
-
£467 GBP
A$956 AUD
View
B+
Retailer 12
-
£601 GBP
$800 USD
View
B
Retailer 13
-
£616 GBP
$820 USD
View
B
Retailer 14
-
£704 GBP
$938 USD
View
B
Retailer 15
-
£736 GBP
$980 USD
View
B
Retailer 16
-
£897 GBP
View
Most Expensive
B
Reve Diamonds
0C30502E1 · Oct 30
£909 GBP
$1,210 USD
View
16 more retailers have this diamond
Prices start from £154 GBPSave up to £755 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
£154 GBP