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Marquise|Lab Grown|IGI

3.94ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2

Diamond specifications and retailer prices

From £678 GBP
$909 USD
As of October 30, 2026
Save £3,179 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,858 GBP at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

About this 3.94ct lab-grown marquise diamond

This 3.94ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 10 retailers as of October 30, 2026, with prices from £678 to £3,858, a £3,179 spread on the same certified stone. The Diamond Guys lists it at £3,858. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.94
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions16.19 × 8.05 × 5.23 mm
L/W Ratio2.01
Top View
16.19 mm8.05 mm3.94 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 65.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,218 GBP|Low: £678 GBP|High: £4,564 GBP|Avg: £1,841 GBP|-14.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
October 30, 2026
Retailer 3£678 GBP
Retailer 2£738 GBP
Retailer 5£890 GBP
Retailer 1£1,218 GBP
Retailer 7£1,312 GBP
Retailer 4£1,628 GBP
Retailer 6£2,188 GBP
The Diamond Guys£3,858 GBP

29 data points across 8 retailers

10 retailers£678 GBP to £3,858 GBP

A
Cheapest Retailer
-
£678 GBP
$909 USD
A
Retailer 2
-
£738 GBP
$989 USD
View
Retailer 3
-
£771 GBP
$1,033 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
£890 GBP
$1,193 USD
View
A
Retailer 5
-
£1,218 GBP
View
Retailer 6
-
£1,312 GBP
$1,758 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
£1,628 GBP
$2,181 USD
View
Retailer 8
-
£1,850 GBP
$2,479 USD
View
Price last confirmed 20 days ago
B+
Retailer 9
-
£2,188 GBP
CA$4,071 CAD
View
Most Expensive
B
The Diamond Guys
1969946069 · Oct 31
£3,858 GBP
$5,169 USD
View
9 more retailers have this diamond
Prices start from £678 GBPSave up to £3,179 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
3.94ct Marquise
£678 GBP