CaratHunter
Plans
Marquise|Lab Grown|IGI

0.91ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG797653773

Certificate IGI LG797653773

Diamond specifications and retailer prices

From £583 GBP
$781 USD
As of October 29, 2026
Save £223 GBP (28%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £806 GBP at Zales · As of October 30, 2026
View at Zales

About this 0.91ct lab-grown marquise diamond

This 0.91ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG797653773 or 797653773. Listed at 4 retailers as of October 29, 2026, with prices from £583 to £806, a £223 spread on the same certified stone. Zales lists it at £806. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.91
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG797653773
Dimensions9.94 × 5.05 × 3.15 mm
L/W Ratio1.97
Top View
9.94 mm5.05 mm0.91 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797653773
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £583 GBP|Low: £583 GBP|High: £806 GBP|Avg: £739 GBP
Retailer 1
Retailer 2
Retailer 3
Zales
September 26, 2026
Retailer 1£583 GBP
Retailer 2£657 GBP
Retailer 3£806 GBP
Zales£806 GBP

4 data points across 4 retailers

4 retailers£583 GBP to £806 GBP

B+
Cheapest Retailer
-
£583 GBP
$781 USD
B
Retailer 2
-
£657 GBP
$880 USD
View
B
Retailer 3
-
£806 GBP
$1,080 USD
View
Most Expensive
B
Zales
528282229 · Oct 30
£806 GBP
$1,080 USD
View
3 more retailers have this diamond
Prices start from £583 GBPSave up to £223 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.

B+
0.91ct Marquise
£583 GBP