CaratHunter
Plans
Marquise|Lab Grown|IGI

1.40ct F VVS2 Marquise Lab Grown Diamond

EX • F/VVS2 • IGI LG805693512

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805693512

Diamond specifications and retailer prices

From £305 GBP
$408 USD
As of November 1, 2026
Save £701 GBP (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,761 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.4ct lab-grown marquise diamond

This 1.4ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805693512 or 805693512. Listed at 16 retailers as of November 1, 2026, with a 230% 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

1.40
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805693512
Dimensions11.52 × 5.73 × 3.61 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.52 mm5.73 mm1.40 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805693512
Side View
Table 57.0%Crown 34.8°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 63.0%

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 1
Current: £1,761 GBP|Low: £175 GBP|High: £40,929 GBP|Avg: £1,796 GBP|-95.7%
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
November 2, 2026
Retailer 6£184 GBP
Retailer 15£205 GBP
Retailer 18£213 GBP
Retailer 5£228 GBP
Retailer 3£305 GBP
Retailer 12£373 GBP
Retailer 11£433 GBP
Retailer 2£441 GBP
Retailer 16£618 GBP
Retailer 14£731 GBP
Retailer 17£733 GBP
Retailer 7£807 GBP
Retailer 4£932 GBP
Retailer 8£998 GBP
Retailer 13£1,006 GBP
Retailer 10£1,254 GBP
Do Amore Diamonds£1,761 GBP
Retailer 9£16,754 GBP

38 data points across 18 retailers

16 retailers£305 GBP to £1,006 GBP

Retailer 1
-
£184 GBP
$246 USD
Price last confirmed 11 days ago
Retailer 2
-
£213 GBP
$285 USD
View
Price last confirmed 12 days ago
Retailer 3
-
£228 GBP
$305 USD
View
Price last confirmed 17 days ago
Retailer 4
-
£228 GBP
$305 USD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
£305 GBP
$408 USD
View
A
Retailer 6
-
£373 GBP
$500 USD
View
A
Retailer 7
-
£433 GBP
ZAR 9,363 ZAR
View
A
Retailer 8
-
£441 GBP
View
Retailer 9
-
£618 GBP
A$1,273 AUD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
£731 GBP
A$1,507 AUD
View
Retailer 11
-
£733 GBP
$982 USD
View
Price last confirmed 11 days ago
Retailer 12
-
£807 GBP
$1,081 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
£932 GBP
$1,248 USD
View
B
Retailer 14
-
£998 GBP
$1,337 USD
View
B
Retailer 15
-
£1,006 GBP
View
Most Expensive
Do Amore Diamonds
27-875F832BB · Nov 2
£1,761 GBP
$2,360 USD
View
Price under review
15 more retailers have this diamond
Prices start from £305 GBPSave up to £701 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
1.40ct Marquise
£305 GBP