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Oval|Lab Grown|IGI

16.64ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG605390463

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG605390463

Diamond specifications and retailer prices

From £2,895 GBP
As of October 27, 2026
Save £17,890 GBP (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £20,785 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 16.64ct lab-grown oval diamond

This 16.64ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605390463 or 605390463. Listed at 11 retailers as of October 27, 2026, with prices from £2,895 to £20,785, a £17,890 spread on the same certified stone. Brilliant Earth lists it at £20,785. 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

16.64
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605390463
Dimensions20.59 × 14.38 × 9.03 mm
L/W Ratio1.43
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
20.59 mm14.38 mm16.64 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605390463
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.8%

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: Oct 27
Current: £22,472 GBP|Low: £2,895 GBP|High: £56,591 GBP|Avg: £13,010 GBP
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 1, 2026
Retailer 14£2,895 GBP
Retailer 10£4,015 GBP
Retailer 15£5,223 GBP
Retailer 11£5,260 GBP
Retailer 6£5,665 GBP
Retailer 2£5,672 GBP
Retailer 5£5,838 GBP
Retailer 8£5,904 GBP
Retailer 4£7,619 GBP
Retailer 3£8,946 GBP
Retailer 16£9,888 GBP
Retailer 7£10,027 GBP
Retailer 12£15,881 GBP
Retailer 17£17,684 GBP
Retailer 13£19,308 GBP
Brilliant Earth£22,472 GBP
Retailer 9£56,591 GBP

10 data points across 17 retailers

11 retailers£2,895 GBP to £20,785 GBP

A
Cheapest Retailer
-
£2,895 GBP
A
Retailer 2
-
£4,015 GBP
$5,379 USD
View
B+
Retailer 3
-
£5,223 GBP
$6,998 USD
View
B+
Retailer 4
-
£5,260 GBP
$7,048 USD
View
B+
Retailer 5
-
£5,672 GBP
View
B
Retailer 6
-
£8,946 GBP
$11,986 USD
View
B
Retailer 7
-
£9,888 GBP
$13,249 USD
View
B
Retailer 8
-
£15,881 GBP
$21,279 USD
View
B
Retailer 9
-
£17,684 GBP
$23,695 USD
View
B
Retailer 10
-
£19,308 GBP
$25,870 USD
View
Most Expensive
B
Brilliant Earth
22300953A · Oct 31
£20,785 GBP
$27,850 USD
View
10 more retailers have this diamond
Prices start from £2,895 GBPSave up to £17,890 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
16.64ct Oval
£2,895 GBP