CaratHunter
Plans
Marquise|Lab Grown|IGI

1.51ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG850694188

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850694188

Diamond specifications and retailer prices

From £171 GBP
As of November 4, 2026
Save £1,162 GBP (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,333 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG850694188 or 850694188. Listed at 13 retailers as of November 4, 2026, with prices from £171 to £1,333, a £1,162 spread on the same certified stone. Brilliant Earth lists it at £1,333. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850694188
Dimensions6.05 × 11.41 × 3.78 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.05 mm11.41 mm1.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG850694188
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.5%

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: £1,333 GBP|Low: £171 GBP|High: £1,333 GBP|Avg: £555 GBP
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
November 5, 2026
Retailer 10£171 GBP
Retailer 4£199 GBP
Retailer 2£212 GBP
Retailer 9£237 GBP
Retailer 8£241 GBP
Retailer 13£360 GBP
Retailer 6£396 GBP
Retailer 12£681 GBP
Retailer 3£684 GBP
Retailer 11£720 GBP
Retailer 5£862 GBP
Retailer 7£863 GBP
Brilliant Earth£1,333 GBP

3 data points across 13 retailers

13 retailers£171 GBP to £1,333 GBP

A
Cheapest Retailer
-
£171 GBP
A
Retailer 2
-
£199 GBP
View
A
Retailer 3
-
£212 GBP
View
A
Retailer 4
-
£237 GBP
View
A
Retailer 5
-
£241 GBP
View
A
Retailer 6
-
£360 GBP
View
A
Retailer 7
-
£396 GBP
View
B+
Retailer 8
-
£681 GBP
View
B+
Retailer 9
-
£684 GBP
View
B+
Retailer 10
-
£720 GBP
View
B
Retailer 11
-
£862 GBP
View
B
Retailer 12
-
£863 GBP
View
Most Expensive
B
Brilliant Earth
22503694A · Nov 4
£1,333 GBP
$1,800 USD
View
12 more retailers have this diamond
Prices start from £171 GBPSave up to £1,162 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
1.51ct Marquise
£171 GBP