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Oval|Lab Grown|IGI

12.05ct F VVS2 Oval Lab Grown Diamond

EX • F/VVS2 • IGI LG851617356

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG851617356

Diamond specifications and retailer prices

From £2,043 GBP
As of November 1, 2026
Save £6,817 GBP (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £19,278 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.05ct lab-grown oval diamond

This 12.05ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG851617356 or 851617356. Listed at 15 retailers as of October 31, 2026, with a 334% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.05
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851617356
Dimensions19.11 × 12.95 × 7.72 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
19.11 mm12.95 mm12.05 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851617356
Side View
Table 61.0%Crown 34°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.6%

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 1
Current: £3,437 GBP|Low: £2,043 GBP|High: £8,859 GBP|Avg: £4,309 GBP|+0.0%
Retailer 1
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
November 2, 2026
Retailer 9£2,043 GBP
Retailer 11£2,385 GBP
Retailer 5£2,543 GBP
Retailer 12£2,661 GBP
Retailer 10£3,178 GBP
Retailer 1£3,437 GBP
Retailer 7£3,635 GBP
Retailer 13£3,654 GBP
Retailer 4£3,937 GBP
Retailer 3£4,390 GBP
Retailer 8£4,712 GBP
Retailer 6£6,088 GBP
Retailer 2£7,619 GBP
Retailer 14£8,859 GBP

5 data points across 14 retailers

15 retailers£2,043 GBP to £8,859 GBP

A
Cheapest Retailer
-
£2,043 GBP
A
Retailer 2
-
£2,385 GBP
$3,196 USD
View
A
Retailer 3
-
£2,543 GBP
$3,408 USD
View
A
Retailer 4
-
£2,661 GBP
$3,565 USD
View
B+
Retailer 5
-
£3,178 GBP
$4,258 USD
View
B+
Retailer 6
-
£3,437 GBP
View
B+
Retailer 7
-
£3,635 GBP
$4,870 USD
View
B+
Retailer 8
-
£3,654 GBP
$4,896 USD
View
B+
Retailer 9
-
£3,937 GBP
ZAR 85,231 ZAR
View
B+
Retailer 10
-
£4,390 GBP
View
B
Retailer 11
-
£4,712 GBP
A$9,714 AUD
View
B
Retailer 12
-
£6,088 GBP
$8,157 USD
View
B
Retailer 13
-
£7,619 GBP
$10,208 USD
View
B
Retailer 14
-
£8,859 GBP
$11,871 USD
View
Most Expensive
Brilliant Earth
22350258A · Oct 31
£19,278 GBP
$25,830 USD
View
Price under review
14 more retailers have this diamond
Prices start from £2,043 GBPSave up to £6,817 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
12.05ct Oval
£2,043 GBP