CaratHunter
Plans
Marquise|Lab Grown|IGI

1.39ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG831648670

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831648670

Diamond specifications and retailer prices

From £156 GBP
As of November 4, 2026
Save £699 GBP (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £855 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.39ct lab-grown marquise diamond

This 1.39ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831648670 or 831648670. Listed at 20 retailers as of November 4, 2026, with prices from £156 to £855, a £699 spread on the same certified stone. Reve Diamonds lists it at £855. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.39
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle26°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831648670
Dimensions11.39 × 6.00 × 3.73 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
11.39 mm6.00 mm1.39 ctG / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831648670
Side View
Table 57.0%Crown 26°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.2%

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: £309 GBP|Low: £156 GBP|High: £1,089 GBP|Avg: £466 GBP|+1.2%
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
Reve Diamonds
November 5, 2026
Retailer 2£156 GBP
Retailer 6£199 GBP
Retailer 9£210 GBP
Retailer 12£284 GBP
Retailer 13£291 GBP
Retailer 15£302 GBP
Retailer 1£309 GBP
Retailer 3£409 GBP
Retailer 10£444 GBP
Retailer 4£564 GBP
Retailer 7£573 GBP
Retailer 5£593 GBP
Retailer 14£596 GBP
Retailer 11£733 GBP
Retailer 8£803 GBP
Reve Diamonds£855 GBP

41 data points across 16 retailers

20 retailers£156 GBP to £855 GBP

Retailer 1
-
£139 GBP
Price last confirmed 28 days ago
A
Retailer 2
-
£156 GBP
View
Final sale: no returns
Retailer 3
-
£163 GBP
View
Price last confirmed 37 days ago
Retailer 4
-
£173 GBP
View
Price last confirmed 33 days ago
A
Retailer 5
-
£199 GBP
View
A
Retailer 6
-
£210 GBP
View
Retailer 7
-
£284 GBP
View
Price last confirmed 9 days ago
Retailer 8
-
£291 GBP
View
Price last confirmed 13 days ago
B+
Retailer 9
-
£302 GBP
View
A
Retailer 10
-
£309 GBP
View
Retailer 11
-
£409 GBP
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£444 GBP
View
Retailer 13
-
£554 GBP
View
Price last confirmed 32 days ago
B
Retailer 14
-
£564 GBP
View
B
Retailer 15
-
£578 GBP
View
B+
Retailer 16
-
£593 GBP
View
Retailer 17
-
£596 GBP
View
Price last confirmed 8 days ago
B
Retailer 18
-
£733 GBP
View
B
Retailer 19
-
£803 GBP
View
Most Expensive
B
Reve Diamonds
DDDE9C981 · Nov 4
£855 GBP
$1,154 USD
View
19 more retailers have this diamond
Prices start from £156 GBPSave up to £699 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
1.39ct Marquise
£156 GBP