Marquise|Lab Grown|IGI

3.88ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2

Diamond specifications and retailer prices

From £391 GBP
$524 USD
As of October 30, 2026
Save £1,787 GBP (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,265 GBP at Helzberg Diamonds · As of October 2, 2026
View at Helzberg Diamonds

About this 3.88ct lab-grown marquise diamond

This 3.88ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 7 retailers as of October 30, 2026, with a 457% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.88
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions17.25 × 8.23 × 4.96 mm
L/W Ratio2.10
Top View
17.25 mm8.23 mm3.88 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 63.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.3%

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 30
Current: £3,265 GBP|Low: £391 GBP|High: £3,265 GBP|Avg: £1,755 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 5£391 GBP
Retailer 3£438 GBP
Retailer 4£609 GBP
Retailer 6£1,408 GBP
Retailer 8£1,509 GBP
Retailer 2£2,101 GBP
Retailer 7£2,178 GBP
Helzberg Diamonds£3,265 GBP

7 data points across 8 retailers

7 retailers£391 GBP to £2,178 GBP

A
Cheapest Retailer
-
£391 GBP
$524 USD
A
Retailer 2
-
£438 GBP
$587 USD
View
A
Retailer 3
-
£609 GBP
$816 USD
View
B+
Retailer 4
-
£1,509 GBP
CA$2,808 CAD
View
B
Retailer 5
-
£2,101 GBP
$2,815 USD
View
B
Retailer 6
-
£2,178 GBP
$2,918 USD
View
Most Expensive
Helzberg Diamonds
ZXZOHIMGLLIM · Oct 2
£3,265 GBP
$4,375 USD
View
Price last confirmed 31 days ago
6 more retailers have this diamond
Prices start from £391 GBPSave up to £1,787 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
3.88ct Marquise
£391 GBP