CaratHunter
Plans
Marquise|Lab Grown|IGI

1.51ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG844684017

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844684017

Diamond specifications and retailer prices

From £172 GBP
$229 USD
As of October 23, 2026
Save £695 GBP (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £867 GBP at Brilliance · As of October 26, 2026
View at Brilliance

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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844684017 or 844684017. Listed at 16 retailers as of October 23, 2026, with prices from £172 to £867, a £695 spread on the same certified stone. Brilliance lists it at £867. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844684017
Dimensions11.45 × 6.08 × 3.78 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.45 mm6.08 mm1.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844684017
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 39.3°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: Oct 23
Current: £867 GBP|Low: £172 GBP|High: £867 GBP|Avg: £451 GBP
Brilliance
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
October 27, 2026
Retailer 15£172 GBP
Retailer 16£191 GBP
Retailer 14£199 GBP
Retailer 11£213 GBP
Retailer 8£240 GBP
Retailer 2£250 GBP
Retailer 13£342 GBP
Retailer 5£362 GBP
Retailer 9£395 GBP
Retailer 4£402 GBP
Retailer 12£684 GBP
Retailer 3£687 GBP
Retailer 6£690 GBP
Retailer 10£854 GBP
Retailer 7£864 GBP
Brilliance£867 GBP

8 data points across 16 retailers

16 retailers£172 GBP to £867 GBP

A
Cheapest Retailer
-
£172 GBP
$229 USD
A
Retailer 2
-
£191 GBP
$255 USD
View
Final sale: no returns
A
Retailer 3
-
£199 GBP
$265 USD
View
A
Retailer 4
-
£213 GBP
$283 USD
View
A
Retailer 5
-
£240 GBP
HK$2,500 HKD
View
A
Retailer 6
-
£250 GBP
View
A
Retailer 7
-
£342 GBP
€434 EUR
View
A
Retailer 8
-
£362 GBP
$482 USD
View
A
Retailer 9
-
£395 GBP
View
A
Retailer 10
-
£402 GBP
$536 USD
View
B
Retailer 11
-
£684 GBP
$911 USD
View
B+
Retailer 12
-
£687 GBP
$915 USD
View
B+
Retailer 13
-
£690 GBP
SGD 1,241 SGD
View
B
Retailer 14
-
£854 GBP
View
B
Retailer 15
-
£864 GBP
$1,151 USD
View
Most Expensive
B
Brilliance
D46189506 · Oct 26
£867 GBP
$1,154 USD
View
15 more retailers have this diamond
Prices start from £172 GBPSave up to £695 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
£172 GBP