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Marquise|Lab Grown|IGI

3.50ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG757538635

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG757538635

Diamond specifications and retailer prices

From £690 GBP
$925 USD
As of October 30, 2026
Save £5,758 GBP (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £6,448 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.5ct lab-grown marquise diamond

This 3.5ct 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 LG757538635 or 757538635. Listed at 25 retailers as of October 30, 2026, with prices from £690 to £6,448, a £5,758 spread on the same certified stone. Do Amore Diamonds lists it at £6,448. 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

3.50
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757538635
Dimensions15.00 × 8.00 × 5.11 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.00 mm8.00 mm3.50 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757538635
Side View
Table 62.0%Crown 35.8°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 63.9%

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: £6,448 GBP|Low: £551 GBP|High: £6,448 GBP|Avg: £2,163 GBP|+2.7%
Do Amore Diamonds
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 3£663 GBP
Retailer 6£772 GBP
Retailer 18£801 GBP
Retailer 19£801 GBP
Retailer 17£903 GBP
Retailer 8£934 GBP
Retailer 5£1,072 GBP
Retailer 7£1,128 GBP
Retailer 12£1,274 GBP
Retailer 16£1,781 GBP
Retailer 2£2,364 GBP
Retailer 10£2,434 GBP
Retailer 4£2,504 GBP
Retailer 9£2,592 GBP
Retailer 13£3,013 GBP
Retailer 11£3,145 GBP
Retailer 15£3,403 GBP
Retailer 14£4,933 GBP
Do Amore Diamonds£6,448 GBP

43 data points across 19 retailers

25 retailers£690 GBP to £6,448 GBP

Retailer 1
-
£663 GBP
$888 USD
Price last confirmed 29 days ago
A
Retailer 2
-
£690 GBP
$925 USD
View
Retailer 3
-
£751 GBP
$1,006 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
£772 GBP
$1,035 USD
View
Final sale: no returns
Retailer 5
-
£801 GBP
$1,073 USD
View
Price last confirmed 14 days ago
Retailer 6
-
£801 GBP
$1,073 USD
View
Price last confirmed 28 days ago
A
Retailer 7
-
£801 GBP
$1,073 USD
View
A
Retailer 8
-
£903 GBP
$1,210 USD
View
A
Retailer 9
-
£934 GBP
$1,252 USD
View
A
Retailer 10
-
£1,072 GBP
$1,437 USD
View
B+
Retailer 11
-
£1,128 GBP
$1,512 USD
View
B+
Retailer 12
-
£1,274 GBP
View
Retailer 13
-
£1,656 GBP
$2,219 USD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
£1,656 GBP
$2,219 USD
View
B+
Retailer 15
-
£1,781 GBP
$2,386 USD
View
B
Retailer 16
-
£2,364 GBP
A$4,873 AUD
View
B
Retailer 17
-
£2,434 GBP
View
B
Retailer 18
-
£2,504 GBP
$3,355 USD
View
B
Retailer 19
-
£2,592 GBP
$3,473 USD
View
B
Retailer 20
-
£3,013 GBP
View
B
Retailer 21
-
£3,145 GBP
$4,213 USD
View
B
Retailer 22
-
£3,403 GBP
$4,560 USD
View
B
Retailer 23
-
£4,933 GBP
$6,610 USD
View
B
Retailer 24
-
£6,127 GBP
$8,210 USD
View
Most Expensive
B
Do Amore Diamonds
23-757538635 · Oct 31
£6,448 GBP
$8,640 USD
View
24 more retailers have this diamond
Prices start from £690 GBPSave up to £5,758 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
3.50ct Marquise
£690 GBP