Oval|Lab Grown|IGI

1.55ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG830666926

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830666926

Diamond specifications and retailer prices

From £167 GBP
As of November 3, 2026
Save £673 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £839 GBP at Brilliance · As of November 4, 2026
View at Brilliance

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830666926 or 830666926. Listed at 20 retailers as of November 3, 2026, with prices from £167 to £839, a £673 spread on the same certified stone. Brilliance lists it at £839. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830666926
Dimensions9.49 × 6.41 × 4.04 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.49 mm6.41 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830666926
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £839 GBP|Low: £167 GBP|High: £839 GBP|Avg: £458 GBP
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12£167 GBP
Retailer 3£206 GBP
Retailer 4£206 GBP
Retailer 9£278 GBP
Retailer 8£341 GBP
Retailer 7£356 GBP
Retailer 2£381 GBP
Retailer 6£481 GBP
Retailer 11£665 GBP
Retailer 10£678 GBP
Retailer 5£824 GBP
Brilliance£839 GBP

44 data points across 12 retailers

20 retailers£167 GBP to £839 GBP

Retailer 1
-
£167 GBP
Price last confirmed 43 days ago
A
Retailer 2
-
£167 GBP
View
A
Retailer 3
-
£193 GBP
View
Retailer 4
-
£193 GBP
View
Price last confirmed 41 days ago
Retailer 5
-
£204 GBP
View
Price last confirmed 41 days ago
A
Retailer 6
-
£206 GBP
View
Retailer 7
-
£206 GBP
View
Price last confirmed 24 days ago
B+
Retailer 8
-
£278 GBP
View
A
Retailer 9
-
£341 GBP
View
A
Retailer 10
-
£356 GBP
View
A
Retailer 11
-
£381 GBP
View
A
Retailer 12
-
£397 GBP
View
A
Retailer 13
-
£481 GBP
View
B+
Retailer 14
-
£627 GBP
View
B+
Retailer 15
-
£663 GBP
View
B+
Retailer 16
-
£665 GBP
View
Retailer 17
-
£678 GBP
View
Price last confirmed 7 days ago
B+
Retailer 18
-
£701 GBP
View
B+
Retailer 19
-
£824 GBP
View
Most Expensive
B
Brilliance
D44682625 · Nov 4
£839 GBP
$1,133 USD
View
19 more retailers have this diamond
Prices start from £167 GBPSave up to £673 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
1.55ct Oval
£167 GBP