Marquise|Lab Grown|IGI

1.21ct D VVS2 Marquise Lab Grown Diamond

EX • D/VVS2 • IGI LG791655404

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791655404

Diamond specifications and retailer prices

From £233 GBP
As of November 4, 2026
Save £1,011 GBP (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,074 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG791655404 or 791655404. Listed at 24 retailers as of November 4, 2026, with a 433% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791655404
Dimensions11.31 × 5.52 × 3.43 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.31 mm5.52 mm1.21 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791655404
Side View
Table 59.0%Crown 34.2°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £568 GBP|Low: £224 GBP|High: £1,262 GBP|Avg: £603 GBP|+0.3%
Retailer 1
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
November 5, 2026
Retailer 3£233 GBP
Retailer 10£260 GBP
Retailer 7£270 GBP
Retailer 4£290 GBP
Retailer 14£290 GBP
Retailer 5£386 GBP
Retailer 2£404 GBP
Retailer 11£550 GBP
Retailer 1£568 GBP
Retailer 13£747 GBP
Retailer 9£779 GBP
Retailer 15£848 GBP
Retailer 6£1,027 GBP
Retailer 12£1,193 GBP
Retailer 8£1,244 GBP

41 data points across 15 retailers

24 retailers£233 GBP to £1,244 GBP

Retailer 1
-
£233 GBP
Price last confirmed 28 days ago
A
Retailer 2
-
£233 GBP
View
A
Retailer 3
-
£260 GBP
View
Final sale: no returns
Retailer 4
-
£270 GBP
View
Price last confirmed 37 days ago
Retailer 5
-
£290 GBP
View
Price last confirmed 11 days ago
Retailer 6
-
£290 GBP
View
Price last confirmed 33 days ago
A
Retailer 7
-
£309 GBP
View
A
Retailer 8
-
£386 GBP
View
A
Retailer 9
-
£404 GBP
View
B+
Retailer 10
-
£404 GBP
View
B+
Retailer 11
-
£413 GBP
View
Retailer 12
-
£454 GBP
View
Price last confirmed 71 days ago
B+
Retailer 13
-
£550 GBP
View
B+
Retailer 14
-
£568 GBP
View
Retailer 15
-
£747 GBP
View
Price last confirmed 7 days ago
B+
Retailer 16
-
£779 GBP
View
B
Retailer 17
-
£848 GBP
View
Retailer 18
-
£1,027 GBP
View
Price last confirmed 36 days ago
B
Retailer 19
-
£1,027 GBP
View
B
Retailer 20
-
£1,144 GBP
View
B
Retailer 21
-
£1,152 GBP
View
B
Retailer 22
-
£1,193 GBP
View
B
Retailer 23
-
£1,244 GBP
View
Most Expensive
Do Amore Diamonds
27-34CE5D45D · Nov 4
£2,074 GBP
$2,800 USD
View
Price under review
23 more retailers have this diamond
Prices start from £233 GBPSave up to £1,011 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
1.21ct Marquise
£233 GBP