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Marquise|Lab Grown|IGI

1.38ct D VVS1 Marquise Lab Grown Diamond

ID • D/VVS1 • IGI LG799670370

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799670370

Diamond specifications and retailer prices

From £420 GBP
HK$4,400 HKD
As of October 31, 2026
Save £830 GBP (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,250 GBP at MOH London · As of October 29, 2026
View at MOH London

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG799670370 or 799670370. Listed at 13 retailers as of October 29, 2026, with prices from £420 to £1,250, a £830 spread on the same certified stone. MOH London lists it at £1,250. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799670370
Dimensions11.52 × 5.91 × 3.60 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.52 mm5.91 mm1.38 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799670370
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.9%

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: Oct 31
Current: £1,250 GBP|Low: £367 GBP|High: £1,259 GBP|Avg: £755 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 12£445 GBP
Retailer 7£449 GBP
Retailer 11£477 GBP
Retailer 5£517 GBP
Retailer 9£567 GBP
Retailer 2£567 GBP
Retailer 3£725 GBP
Retailer 6£985 GBP
Retailer 10£1,004 GBP
Retailer 8£1,009 GBP
Retailer 4£1,142 GBP
MOH London£1,250 GBP

44 data points across 12 retailers

13 retailers£420 GBP to £1,250 GBP

A
Cheapest Retailer
-
£420 GBP
HK$4,400 HKD
A
Retailer 2
-
£445 GBP
$596 USD
View
A
Retailer 3
-
£449 GBP
$602 USD
View
A
Retailer 4
-
£477 GBP
$639 USD
View
A
Retailer 5
-
£517 GBP
€660 EUR
View
B+
Retailer 6
-
£567 GBP
A$1,168 AUD
View
B+
Retailer 7
-
£567 GBP
View
Retailer 8
-
£725 GBP
$972 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
£985 GBP
$1,320 USD
View
B
Retailer 10
-
£1,004 GBP
$1,345 USD
View
Retailer 11
-
£1,009 GBP
A$2,079 AUD
View
Price last confirmed 24 days ago
B
Retailer 12
-
£1,142 GBP
$1,531 USD
View
Most Expensive
B
MOH London
LG799670370 · Oct 29
£1,250 GBP
View
12 more retailers have this diamond
Prices start from £420 GBPSave up to £830 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
£420 GBP