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Marquise|Lab Grown|IGI

3.09ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG839673335

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839673335

Diamond specifications and retailer prices

From £470 GBP
$630 USD
As of October 30, 2026
Save £3,747 GBP (89%) vs most expensive(unlock to see where)
15 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 LG839673335 or 839673335. Listed at 15 retailers as of October 30, 2026, with prices from £470 to £4,217, a £3,747 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
Crown angle36°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839673335
Dimensions14.35 × 7.75 × 4.86 mm
L/W Ratio1.85
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.35 mm7.75 mm3.09 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839673335
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 62.7%

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 30
Current: £4,217 GBP|Low: £452 GBP|High: £4,269 GBP|Avg: £1,879 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 10£470 GBP
Retailer 14£511 GBP
Retailer 4£527 GBP
Retailer 11£546 GBP
Retailer 8£679 GBP
Retailer 7£965 GBP
Retailer 12£1,693 GBP
Retailer 13£1,877 GBP
Retailer 6£1,927 GBP
Retailer 9£1,940 GBP
Retailer 5£2,696 GBP
Retailer 2£3,628 GBP
Retailer 3£4,172 GBP
Brilliant Earth£4,217 GBP

36 data points across 14 retailers

15 retailers£470 GBP to £4,217 GBP

A
Cheapest Retailer
-
£470 GBP
$630 USD
A
Retailer 2
-
£511 GBP
$685 USD
View
A
Retailer 3
-
£527 GBP
$706 USD
View
Final sale: no returns
Retailer 4
-
£546 GBP
$731 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£546 GBP
$731 USD
View
A
Retailer 6
-
£679 GBP
$910 USD
View
A
Retailer 7
-
£965 GBP
View
B+
Retailer 8
-
£1,693 GBP
$2,268 USD
View
B
Retailer 9
-
£1,877 GBP
View
B
Retailer 10
-
£1,927 GBP
$2,582 USD
View
B
Retailer 11
-
£1,940 GBP
$2,600 USD
View
B
Retailer 12
-
£2,696 GBP
$3,613 USD
View
B
Retailer 13
-
£3,628 GBP
$4,861 USD
View
B
Retailer 14
-
£4,172 GBP
$5,590 USD
View
Most Expensive
B
Brilliant Earth
21656086A · Oct 30
£4,217 GBP
$5,650 USD
View
14 more retailers have this diamond
Prices start from £470 GBPSave up to £3,747 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
£470 GBP