Oval|Lab Grown|IGI

1.20ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG778673661

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778673661

Diamond specifications and retailer prices

From £134 GBP
As of November 3, 2026
Save £1,155 GBP (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,289 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown oval diamond

This 1.2ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778673661 or 778673661. Listed at 18 retailers as of November 3, 2026, with prices from £134 to £1,289, a £1,155 spread on the same certified stone. Do Amore Diamonds lists it at £1,289. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778673661
Dimensions8.62 × 6.01 × 3.74 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.62 mm6.01 mm1.20 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778673661
Side View
Table 61.0%Crown 35.9°Girdle: THN-THKPavilion 41.1°Culet: NoneDepth 62.2%

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 3
Current: £333 GBP|Low: £129 GBP|High: £868 GBP|Avg: £383 GBP|+3.5%
Retailer 1
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 10£134 GBP
Retailer 3£156 GBP
Retailer 12£167 GBP
Retailer 6£234 GBP
Retailer 1£333 GBP
Retailer 7£374 GBP
Retailer 11£384 GBP
Retailer 4£404 GBP
Retailer 8£481 GBP
Retailer 9£564 GBP
Retailer 2£590 GBP
Retailer 5£856 GBP

45 data points across 12 retailers

18 retailers£134 GBP to £1,289 GBP

A
Cheapest Retailer
-
£134 GBP
A
Retailer 2
-
£156 GBP
View
Retailer 3
-
£167 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£167 GBP
View
B+
Retailer 5
-
£224 GBP
View
A
Retailer 6
-
£234 GBP
View
A
Retailer 7
-
£253 GBP
View
A
Retailer 8
-
£333 GBP
View
A
Retailer 9
-
£374 GBP
View
A
Retailer 10
-
£384 GBP
View
B+
Retailer 11
-
£404 GBP
View
Retailer 12
-
£481 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£564 GBP
View
B+
Retailer 14
-
£590 GBP
View
B
Retailer 15
-
£718 GBP
View
B
Retailer 16
-
£722 GBP
View
B
Retailer 17
-
£856 GBP
View
Most Expensive
B
Do Amore Diamonds
27-BF893C1BA · Nov 4
£1,289 GBP
$1,740 USD
View
17 more retailers have this diamond
Prices start from £134 GBPSave up to £1,155 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
1.20ct Oval
£134 GBP