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Marquise|Lab Grown|IGI

0.91ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG794662877

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG794662877

Diamond specifications and retailer prices

From £455 GBP
A$938 AUD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: £543 GBP at Rare Carat · As of September 13, 2026
View at Rare Carat

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 LG794662877 or 794662877. Listed at 3 retailers as of October 31, 2026. 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
Crown angle34.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794662877
Dimensions10.21 × 5.07 × 3.08 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.21 mm5.07 mm0.91 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794662877
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £543 GBP|Low: £92 GBP|High: £933 GBP|Avg: £441 GBP
Rare Carat
Retailer 2
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October 31, 2026
Retailer 16£130 GBP
Retailer 6£196 GBP
Retailer 14£241 GBP
Retailer 4£250 GBP
Retailer 17£260 GBP
Retailer 3£273 GBP
Retailer 19£278 GBP
Retailer 11£294 GBP
Retailer 15£355 GBP
Retailer 2£455 GBP
Retailer 18£457 GBP
Retailer 7£460 GBP
Retailer 10£475 GBP
Retailer 5£505 GBP
Rare Carat£543 GBP
Retailer 8£543 GBP
Retailer 12£753 GBP
Retailer 9£786 GBP
Retailer 13£911 GBP
Retailer 20£933 GBP

11 data points across 20 retailers

3 retailers

B+
Cheapest Retailer
-
£455 GBP
A$938 AUD
Retailer 2
-
£475 GBP
A$979 AUD
View
Price last confirmed 59 days ago
Most Expensive
Rare Carat
ADR-D78647 · Sep 13
£543 GBP
$728 USD
View
Price last confirmed 48 days ago
2 more retailers have this diamond
Prices start from £455 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
£455 GBP