CaratHunter
Plans
Marquise|Lab Grown|IGI

1.42ct E VVS2 Marquise Lab Grown Diamond

ID • E/VVS2 • IGI LG778666714

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778666714

Diamond specifications and retailer prices

From £158 GBP
$210 USD
As of October 30, 2026
Save £1,164 GBP (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,322 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.42ct lab-grown marquise diamond

This 1.42ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778666714 or 778666714. Listed at 21 retailers as of October 28, 2026, with prices from £158 to £1,322, a £1,164 spread on the same certified stone. Brilliant Earth lists it at £1,322. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778666714
Dimensions12.19 × 5.66 × 3.51 mm
L/W Ratio2.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.19 mm5.66 mm1.42 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778666714
Side View
Table 59.0%Crown 37.2°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 62.0%

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: Oct 30
Current: £1,322 GBP|Low: £152 GBP|High: £1,389 GBP|Avg: £440 GBP|-4.9%
Brilliant Earth
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
October 30, 2026
Retailer 4£158 GBP
Retailer 17£176 GBP
Retailer 7£183 GBP
Retailer 5£196 GBP
Retailer 8£196 GBP
Retailer 11£240 GBP
Retailer 9£264 GBP
Retailer 12£336 GBP
Retailer 14£356 GBP
Retailer 2£362 GBP
Retailer 10£441 GBP
Retailer 13£478 GBP
Retailer 6£629 GBP
Retailer 16£632 GBP
Retailer 3£767 GBP
Retailer 15£789 GBP
Retailer 18£921 GBP
Brilliant Earth£1,322 GBP

45 data points across 18 retailers

21 retailers£158 GBP to £1,322 GBP

A
Cheapest Retailer
-
£158 GBP
$210 USD
A
Retailer 2
-
£176 GBP
$235 USD
View
Final sale: no returns
A
Retailer 3
-
£183 GBP
$244 USD
View
A
Retailer 4
-
£196 GBP
$261 USD
View
A
Retailer 5
-
£196 GBP
$261 USD
View
A
Retailer 6
-
£240 GBP
View
B+
Retailer 7
-
£264 GBP
$352 USD
View
A
Retailer 8
-
£336 GBP
ZAR 7,235 ZAR
View
A
Retailer 9
-
£356 GBP
€452 EUR
View
A
Retailer 10
-
£362 GBP
View
A
Retailer 11
-
£441 GBP
$587 USD
View
A
Retailer 12
-
£469 GBP
$625 USD
View
A
Retailer 13
-
£478 GBP
A$980 AUD
View
B+
Retailer 14
-
£629 GBP
$838 USD
View
B+
Retailer 15
-
£632 GBP
$841 USD
View
B+
Retailer 16
-
£637 GBP
SGD 1,147 SGD
View
B+
Retailer 17
-
£669 GBP
$891 USD
View
B+
Retailer 18
-
£767 GBP
View
Retailer 19
-
£789 GBP
View
Price last confirmed 9 days ago
B
Retailer 20
-
£921 GBP
$1,226 USD
View
Most Expensive
B
Brilliant Earth
20603460A · Oct 28
£1,322 GBP
$1,760 USD
View
20 more retailers have this diamond
Prices start from £158 GBPSave up to £1,164 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
1.42ct Marquise
£158 GBP