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Marquise|Lab Grown|IGI

3.09ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG838653422

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838653422

Diamond specifications and retailer prices

From £650 GBP
$871 USD
As of October 31, 2026
Save £3,566 GBP (85%) vs most expensive(unlock to see where)
9 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 LG838653422 or 838653422. Listed at 9 retailers as of October 30, 2026, with prices from £650 to £4,217, a £3,566 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838653422
Dimensions15.77 × 7.52 × 4.65 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.77 mm7.52 mm3.09 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838653422
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.8%

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: Oct 31
Current: £2,776 GBP|Low: £650 GBP|High: £2,776 GBP|Avg: £1,349 GBP|+1.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7£650 GBP
Retailer 9£663 GBP
Retailer 6£774 GBP
Retailer 4£802 GBP
Retailer 10£807 GBP
Retailer 3£853 GBP
Retailer 8£1,238 GBP
Retailer 2£1,884 GBP
Retailer 5£2,695 GBP
Brilliant Earth£2,776 GBP

12 data points across 10 retailers

9 retailers£650 GBP to £4,217 GBP

A
Cheapest Retailer
-
£650 GBP
$871 USD
B+
Retailer 2
-
£663 GBP
$888 USD
View
A
Retailer 3
-
£768 GBP
$1,029 USD
View
A
Retailer 4
-
£774 GBP
$1,037 USD
View
A
Retailer 5
-
£802 GBP
€1,023 EUR
View
Retailer 6
-
£1,238 GBP
$1,659 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
£1,884 GBP
A$3,883 AUD
View
B
Retailer 8
-
£2,695 GBP
$3,611 USD
View
Most Expensive
B
Brilliant Earth
22279986A · Oct 30
£4,217 GBP
$5,650 USD
View
8 more retailers have this diamond
Prices start from £650 GBPSave up to £3,566 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
£650 GBP