Oval|Lab Grown|IGI

16.48ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG7471895740

Certificate IGI LG7471895740

Diamond specifications and retailer prices

From £4,326 GBP
$5,796 USD
As of October 31, 2026
Save £1,343 GBP (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £5,668 GBP at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 16.48ct lab-grown oval diamond

This 16.48ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG7471895740 or 7471895740. Listed at 2 retailers as of October 31, 2026, with prices from £4,326 to £5,668, a £1,343 spread on the same certified stone. NZ Jewellers lists it at £5,668. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

16.48
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginLab Grown
Grading LabIGI
CertificateIGI LG7471895740
Dimensions20.74 × 14.25 × 8.98 mm
L/W Ratio1.46
Culet sizeNone
Key to symbols
Growth Remnant, Crystal
Top View
20.74 mm14.25 mm16.48 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI LG7471895740
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £5,668 GBP|Low: £4,326 GBP|High: £22,830 GBP|Avg: £12,021 GBP|+27.4%
NZ Jewellers
Retailer 2
Retailer 3
October 31, 2026
Retailer 2£4,326 GBP
NZ Jewellers£5,668 GBP
Retailer 3£22,830 GBP

2 data points across 3 retailers

2 retailers£4,326 GBP to £5,668 GBP

B+
Cheapest Retailer
-
£4,326 GBP
$5,796 USD
Most Expensive
B
NZ Jewellers
016f04be-4ead-43c0-b884-bb815590b637 · Oct 31
£5,668 GBP
$7,595 USD
View
1 more retailer has this diamond
Prices start from £4,326 GBPSave up to £1,343 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.

B+
16.48ct Oval
£4,326 GBP