Marquise|Lab Grown|IGI

3.21ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG837640872

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837640872

Diamond specifications and retailer prices

From £795 GBP
As of October 27, 2026
Save £5,355 GBP (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,150 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.21ct lab-grown marquise diamond

This 3.21ct 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 LG837640872 or 837640872. Listed at 18 retailers as of October 26, 2026, with prices from £795 to £6,150, a £5,355 spread on the same certified stone. Brilliant Earth lists it at £6,150. 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

3.21
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837640872
Dimensions14.72 × 7.55 × 4.79 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.72 mm7.55 mm3.21 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837640872
Side View
Table 61.0%Crown 38.7°Girdle: THK-VTKPavilion 40.1°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
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 27
Current: £6,150 GBP|Low: £659 GBP|High: £6,150 GBP|Avg: £2,184 GBP
Brilliant Earth
Retailer 2
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Retailer 18
October 27, 2026
Retailer 17£659 GBP
Retailer 11£795 GBP
Retailer 4£813 GBP
Retailer 18£978 GBP
Retailer 2£1,035 GBP
Retailer 12£1,041 GBP
Retailer 5£1,516 GBP
Retailer 16£1,541 GBP
Retailer 14£1,571 GBP
Retailer 15£1,624 GBP
Retailer 8£2,176 GBP
Retailer 6£2,360 GBP
Retailer 3£2,443 GBP
Retailer 13£2,563 GBP
Retailer 7£2,730 GBP
Retailer 9£2,791 GBP
Retailer 10£4,220 GBP
Brilliant Earth£6,150 GBP

28 data points across 18 retailers

18 retailers£795 GBP to £6,150 GBP

A
Cheapest Retailer
-
£795 GBP
A
Retailer 2
-
£813 GBP
$1,090 USD
View
A
Retailer 3
-
£978 GBP
$1,310 USD
View
A
Retailer 4
-
£1,035 GBP
€1,321 EUR
View
A
Retailer 5
-
£1,041 GBP
View
B+
Retailer 6
-
£1,516 GBP
$2,031 USD
View
Retailer 7
-
£1,541 GBP
A$3,176 AUD
View
Price last confirmed 10 days ago
Retailer 8
-
£1,571 GBP
ZAR 33,997 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
£1,624 GBP
$2,176 USD
View
B
Retailer 10
-
£2,176 GBP
$2,915 USD
View
B+
Retailer 11
-
£2,360 GBP
$3,163 USD
View
B+
Retailer 12
-
£2,443 GBP
$3,274 USD
View
B+
Retailer 13
-
£2,563 GBP
View
B+
Retailer 14
-
£2,730 GBP
SGD 4,943 SGD
View
Retailer 15
-
£2,791 GBP
A$5,753 AUD
View
Price last confirmed 23 days ago
Retailer 16
-
£3,406 GBP
$4,563 USD
View
Price last confirmed 18 days ago
Retailer 17
-
£4,220 GBP
$5,655 USD
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
21558354A · Oct 26
£6,150 GBP
$8,240 USD
View
17 more retailers have this diamond
Prices start from £795 GBPSave up to £5,355 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
3.21ct Marquise
£795 GBP