CaratHunter
Plans
Marquise|Lab Grown|IGI

1.51ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG630443149

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG630443149

Diamond specifications and retailer prices

From £310 GBP
As of November 4, 2026
Save £1,028 GBP (77%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,427 GBP at Flawless Fine Jewelry · As of October 21, 2026
View at Flawless Fine Jewelry

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 F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG630443149 or 630443149. Listed at 25 retailers as of November 4, 2026, with a 332% 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

1.51
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630443149
Dimensions12.12 × 6.11 × 3.62 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.12 mm6.11 mm1.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630443149
Side View
Table 59.0%Crown 36.8°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 59.2%

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: £1,427 GBP|Low: £310 GBP|High: £2,063 GBP|Avg: £896 GBP
Flawless Fine Jewelry
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 5, 2026
Retailer 3£310 GBP
Retailer 4£380 GBP
Retailer 12£394 GBP
Retailer 6£426 GBP
Retailer 17£453 GBP
Retailer 5£461 GBP
Retailer 14£488 GBP
Retailer 22£531 GBP
Retailer 21£572 GBP
Retailer 18£591 GBP
Retailer 2£614 GBP
Retailer 10£723 GBP
Retailer 20£786 GBP
Retailer 16£800 GBP
Retailer 19£808 GBP
Retailer 11£918 GBP
Retailer 9£1,093 GBP
Retailer 7£1,132 GBP
Retailer 15£1,285 GBP
Retailer 8£1,297 GBP
Retailer 13£1,337 GBP
Flawless Fine Jewelry£1,427 GBP

38 data points across 22 retailers

25 retailers£310 GBP to £1,337 GBP

A
Cheapest Retailer
-
£310 GBP
Final sale: no returns
A
Retailer 2
-
£380 GBP
View
Retailer 3
-
£394 GBP
View
Price last confirmed 18 days ago
A
Retailer 4
-
£426 GBP
View
Retailer 5
-
£441 GBP
View
Price last confirmed 22 days ago
A
Retailer 6
-
£453 GBP
View
A
Retailer 7
-
£461 GBP
View
Retailer 8
-
£488 GBP
View
Price last confirmed 18 days ago
B+
Retailer 9
-
£531 GBP
View
Retailer 10
-
£572 GBP
View
Price last confirmed 10 days ago
B+
Retailer 11
-
£591 GBP
View
B+
Retailer 12
-
£614 GBP
View
B+
Retailer 13
-
£723 GBP
View
Retailer 14
-
£786 GBP
View
Price last confirmed 8 days ago
B+
Retailer 15
-
£800 GBP
View
B+
Retailer 16
-
£808 GBP
View
Retailer 17
-
£860 GBP
View
Price last confirmed 11 days ago
Retailer 18
-
£918 GBP
View
Price last confirmed 19 days ago
B
Retailer 19
-
£1,093 GBP
View
B
Retailer 20
-
£1,132 GBP
View
B
Retailer 21
-
£1,197 GBP
View
Retailer 22
-
£1,285 GBP
View
Price last confirmed 18 days ago
B
Retailer 23
-
£1,297 GBP
View
B
Retailer 24
-
£1,337 GBP
View
Most Expensive
Flawless Fine Jewelry
5A5BBCB43 · Oct 21
£1,427 GBP
View
Price last confirmed 15 days ago
24 more retailers have this diamond
Prices start from £310 GBPSave up to £1,028 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
£310 GBP