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Oval|Lab Grown|IGI

5.46ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG831644536

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG831644536

Diamond specifications and retailer prices

From £8,581 GBP
$11,498 USD
As of October 26, 2026
Save £16,996 GBP (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £25,578 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.46ct lab-grown oval diamond

This 5.46ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831644536 or 831644536. Listed at 13 retailers as of October 26, 2026, with prices from £8,581 to £25,578, a £16,996 spread on the same certified stone. Taylor and Hart lists it at £25,578. 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

5.46
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831644536
Dimensions13.82 × 9.89 × 6.18 mm
L/W Ratio1.40
Girdle conditionFaceted
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
13.82 mm9.89 mm5.46 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831644536
Side View
Table 60.0%Crown 36.3°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 62.5%

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: Oct 26
Current: £9,698 GBP|Low: £8,581 GBP|High: £49,428 GBP|Avg: £17,881 GBP|-13.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 1, 2026
Retailer 11£8,581 GBP
Retailer 9£8,732 GBP
Retailer 2£8,913 GBP
Retailer 12£9,029 GBP
Retailer 1£9,698 GBP
Retailer 5£13,719 GBP
Retailer 6£13,770 GBP
Retailer 8£14,671 GBP
Retailer 3£14,953 GBP
Retailer 7£16,610 GBP
Retailer 10£22,556 GBP
Taylor and Hart£25,578 GBP
Retailer 4£44,414 GBP

23 data points across 13 retailers

13 retailers£8,581 GBP to £25,578 GBP

A
Cheapest Retailer
-
£8,581 GBP
$11,498 USD
A
Retailer 2
-
£8,732 GBP
$11,700 USD
View
A
Retailer 3
-
£8,913 GBP
HK$93,300 HKD
View
A
Retailer 4
-
£9,029 GBP
$12,098 USD
View
A
Retailer 5
-
£9,698 GBP
View
B+
Retailer 6
-
£13,719 GBP
€17,506 EUR
View
B+
Retailer 7
-
£13,770 GBP
$18,450 USD
View
B+
Retailer 8
-
£14,671 GBP
View
B+
Retailer 9
-
£14,953 GBP
$20,035 USD
View
B+
Retailer 10
-
£16,610 GBP
ZAR 359,543 ZAR
View
B+
Retailer 11
-
£22,556 GBP
$30,222 USD
View
Most Expensive
B
Taylor and Hart
Q3TL0CJ · Oct 31
£25,578 GBP
$34,271 USD
View
11 more retailers have this diamond
Prices start from £8,581 GBPSave up to £16,996 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
5.46ct Oval
£8,581 GBP