Marquise|Lab Grown|IGI

3.09ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG839655627

Certificate IGI LG839655627

Diamond specifications and retailer prices

From £663 GBP
$888 USD
As of October 30, 2026
Save £3,554 GBP (84%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,217 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.09ct lab-grown marquise diamond

This 3.09ct 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 LG839655627 or 839655627. Listed at 7 retailers as of October 30, 2026, with prices from £663 to £4,217, a £3,554 spread on the same certified stone. Brilliant Earth lists it at £4,217. 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

3.09
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG839655627
Dimensions15.28 × 7.46 × 4.76 mm
L/W Ratio2.05
Top View
15.28 mm7.46 mm3.09 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839655627
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.8%

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: £774 GBP|Low: £663 GBP|High: £2,695 GBP|Avg: £1,082 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 5£663 GBP
Retailer 3£768 GBP
Retailer 1£774 GBP
Retailer 4£802 GBP
Retailer 6£1,238 GBP
Retailer 2£2,695 GBP

6 data points across 6 retailers

7 retailers£663 GBP to £4,217 GBP

B+
Cheapest Retailer
-
£663 GBP
$888 USD
A
Retailer 2
-
£768 GBP
$1,029 USD
View
A
Retailer 3
-
£774 GBP
$1,037 USD
View
A
Retailer 4
-
£802 GBP
€1,023 EUR
View
Retailer 5
-
£1,238 GBP
$1,659 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
£2,695 GBP
$3,611 USD
View
Most Expensive
B
Brilliant Earth
22271773A · Oct 30
£4,217 GBP
$5,650 USD
View
6 more retailers have this diamond
Prices start from £663 GBPSave up to £3,554 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
3.09ct Marquise
£663 GBP