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Marquise|Lab Grown|IGI

3.15ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG845676544

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845676544

Diamond specifications and retailer prices

From £643 GBP
$862 USD
As of October 30, 2026
Save £3,458 GBP (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,101 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.15ct lab-grown marquise diamond

This 3.15ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845676544 or 845676544. Listed at 3 retailers as of October 28, 2026, with prices from £643 to £4,101, a £3,458 spread on the same certified stone. Rare Carat lists it at £4,101. 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

3.15
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845676544
Dimensions14.60 × 7.67 × 4.85 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.60 mm7.67 mm3.15 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845676544
Side View
Table 60.0%Crown 36.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £4,101 GBP|Low: £643 GBP|High: £4,101 GBP|Avg: £2,068 GBP
Rare Carat
Retailer 2
Retailer 3
October 30, 2026
Retailer 2£643 GBP
Retailer 3£1,053 GBP
Rare Carat£4,101 GBP

13 data points across 3 retailers

3 retailers£643 GBP to £4,101 GBP

A
Cheapest Retailer
-
£643 GBP
$862 USD
Final sale: no returns
A
Retailer 2
-
£1,053 GBP
View
Most Expensive
B
Rare Carat
845676544 · Oct 28
£4,101 GBP
$5,495 USD
View
2 more retailers have this diamond
Prices start from £643 GBPSave up to £3,458 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
3.15ct Marquise
£643 GBP