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Oval|Lab Grown|IGI

0.91ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG499191712

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG499191712

Diamond specifications and retailer prices

From £393 GBP
As of November 4, 2026
Save £2,636 GBP (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,028 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.91ct lab-grown oval diamond

This 0.91ct lab-grown oval sits in the just-under-one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG499191712 or 499191712. Listed at 14 retailers as of November 4, 2026, with prices from £393 to £3,028, a £2,636 spread on the same certified stone. MOH London lists it at £3,028. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.91
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499191712
Dimensions7.97 × 5.44 × 3.31 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.97 mm5.44 mm0.91 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499191712
Side View
Table 59.0%Crown 34.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.8%

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: £3,028 GBP|Low: £393 GBP|High: £4,056 GBP|Avg: £1,776 GBP|-0.2%
MOH London
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
November 5, 2026
Retailer 10£393 GBP
Retailer 11£815 GBP
Retailer 14£887 GBP
Retailer 16£912 GBP
Retailer 12£945 GBP
Retailer 6£1,074 GBP
Retailer 7£1,337 GBP
Retailer 13£1,504 GBP
Retailer 15£1,771 GBP
Retailer 2£1,830 GBP
Retailer 5£1,917 GBP
Retailer 9£2,516 GBP
Retailer 3£2,607 GBP
Retailer 4£2,739 GBP
MOH London£3,028 GBP
Retailer 8£4,056 GBP

24 data points across 16 retailers

14 retailers£393 GBP to £3,028 GBP

A
Cheapest Retailer
-
£393 GBP
B+
Retailer 2
-
£815 GBP
View
B+
Retailer 3
-
£887 GBP
View
B
Retailer 4
-
£912 GBP
View
Final sale: no returns
Retailer 5
-
£945 GBP
View
Price last confirmed 19 days ago
B
Retailer 6
-
£945 GBP
View
B
Retailer 7
-
£1,504 GBP
View
B
Retailer 8
-
£1,771 GBP
View
B
Retailer 9
-
£1,830 GBP
View
B
Retailer 10
-
£1,917 GBP
View
B
Retailer 11
-
£2,516 GBP
View
B
Retailer 12
-
£2,607 GBP
View
B
Retailer 13
-
£2,739 GBP
View
Most Expensive
B
MOH London
LG499191712 · Nov 5
£3,028 GBP
View
13 more retailers have this diamond
Prices start from £393 GBPSave up to £2,636 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
0.91ct Oval
£393 GBP