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Marquise|Lab Grown|IGI

1.38ct D VVS1 Marquise Lab Grown Diamond

ID • D/VVS1 • IGI LG799671444

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799671444

Diamond specifications and retailer prices

From £420 GBP
HK$4,400 HKD
As of November 1, 2026
Save £841 GBP (67%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,261 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 LG799671444 or 799671444. Listed at 13 retailers as of October 26, 2026, with prices from £420 to £1,261, a £841 spread on the same certified stone. Brilliant Earth lists it at £1,261. 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 angle32.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799671444
Dimensions11.88 × 5.85 × 3.54 mm
L/W Ratio2.03
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
11.88 mm5.85 mm1.38 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799671444
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.5%

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 1
Current: £1,261 GBP|Low: £367 GBP|High: £1,299 GBP|Avg: £803 GBP|-2.9%
Brilliant Earth
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 3£445 GBP
Retailer 9£449 GBP
Retailer 12£477 GBP
Retailer 5£516 GBP
Retailer 6£567 GBP
Retailer 2£567 GBP
Retailer 8£985 GBP
Retailer 11£1,004 GBP
Retailer 10£1,009 GBP
Retailer 4£1,142 GBP
Retailer 7£1,250 GBP
Brilliant Earth£1,261 GBP

43 data points across 12 retailers

13 retailers£420 GBP to £1,261 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
B+
Retailer 4
-
£477 GBP
$639 USD
View
A
Retailer 5
-
£516 GBP
€658 EUR
View
B+
Retailer 6
-
£567 GBP
A$1,168 AUD
View
B+
Retailer 7
-
£567 GBP
View
B
Retailer 8
-
£985 GBP
$1,320 USD
View
B
Retailer 9
-
£1,004 GBP
$1,345 USD
View
Retailer 10
-
£1,009 GBP
A$2,079 AUD
View
Price last confirmed 30 days ago
B
Retailer 11
-
£1,142 GBP
$1,531 USD
View
B
Retailer 12
-
£1,250 GBP
View
Most Expensive
B
Brilliant Earth
20869951Y · Oct 26
£1,261 GBP
$1,690 USD
View
12 more retailers have this diamond
Prices start from £420 GBPSave up to £841 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