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Oval|Lab Grown|IGI

1.55ct F VVS2 Oval Lab Grown Diamond

ID • F/VVS2 • IGI LG700570799

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG700570799

Diamond specifications and retailer prices

From £178 GBP
As of November 3, 2026
Save £723 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,575 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG700570799 or 700570799. Listed at 19 retailers as of November 3, 2026, with a 405% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700570799
Dimensions8.97 × 6.69 × 4.14 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.97 mm6.69 mm1.55 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700570799
Side View
Table 61.0%Crown 38.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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: £1,575 GBP|Low: £178 GBP|High: £1,575 GBP|Avg: £542 GBP
Brilliant Earth
Retailer 2
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November 5, 2026
Retailer 15£178 GBP
Retailer 20£207 GBP
Retailer 7£221 GBP
Retailer 17£221 GBP
Retailer 5£247 GBP
Retailer 8£299 GBP
Retailer 18£365 GBP
Retailer 14£382 GBP
Retailer 4£409 GBP
Retailer 12£412 GBP
Retailer 2£415 GBP
Retailer 6£464 GBP
Retailer 13£517 GBP
Retailer 3£550 GBP
Retailer 19£712 GBP
Retailer 9£716 GBP
Retailer 11£750 GBP
Retailer 16£886 GBP
Retailer 10£901 GBP
Brilliant Earth£1,575 GBP

35 data points across 20 retailers

19 retailers£178 GBP to £901 GBP

A
Cheapest Retailer
-
£178 GBP
A
Retailer 2
-
£207 GBP
View
A
Retailer 3
-
£221 GBP
View
Retailer 4
-
£221 GBP
View
Price last confirmed 11 days ago
Retailer 5
-
£231 GBP
View
Price last confirmed 28 days ago
B+
Retailer 6
-
£299 GBP
View
A
Retailer 7
-
£365 GBP
View
A
Retailer 8
-
£382 GBP
View
A
Retailer 9
-
£409 GBP
View
A
Retailer 10
-
£415 GBP
View
A
Retailer 11
-
£464 GBP
View
A
Retailer 12
-
£517 GBP
View
B+
Retailer 13
-
£550 GBP
View
B+
Retailer 14
-
£712 GBP
View
B+
Retailer 15
-
£716 GBP
View
B+
Retailer 16
-
£750 GBP
View
B+
Retailer 17
-
£886 GBP
View
B
Retailer 18
-
£901 GBP
View
Most Expensive
Brilliant Earth
18478535A · Oct 16
£1,575 GBP
$2,120 USD
View
Price last confirmed 20 days ago
18 more retailers have this diamond
Prices start from £178 GBPSave up to £723 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
£178 GBP