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Marquise|Lab Grown|IGI

3.98ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2

Diamond specifications and retailer prices

From £898 GBP
$1,203 USD
As of October 30, 2026
Save £3,000 GBP (77%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,897 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.98ct lab-grown marquise diamond

This 3.98ct 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 5 retailers as of October 30, 2026, with prices from £898 to £3,897, a £3,000 spread on the same certified stone. The Diamond Guys lists it at £3,897. 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

3.98
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions16.67 × 8.18 × 5.10 mm
L/W Ratio2.04
Top View
16.67 mm8.18 mm3.98 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.3%

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: £1,230 GBP|Low: £685 GBP|High: £4,610 GBP|Avg: £1,788 GBP|-14.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
October 30, 2026
Retailer 2£685 GBP
Retailer 6£746 GBP
Retailer 4£898 GBP
Retailer 1£1,230 GBP
Retailer 7£1,325 GBP
Retailer 3£1,644 GBP
Retailer 5£2,210 GBP
The Diamond Guys£3,897 GBP

34 data points across 8 retailers

5 retailers£898 GBP to £3,897 GBP

A
Cheapest Retailer
-
£898 GBP
$1,203 USD
A
Retailer 2
-
£1,230 GBP
View
Retailer 3
-
£1,325 GBP
$1,776 USD
View
Price last confirmed 17 days ago
B+
Retailer 4
-
£2,210 GBP
CA$4,112 CAD
View
Most Expensive
B
The Diamond Guys
1975596817 · Oct 30
£3,897 GBP
$5,222 USD
View
4 more retailers have this diamond
Prices start from £898 GBPSave up to £3,000 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
3.98ct Marquise
£898 GBP