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Oval|Lab Grown|IGI

5.43ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG768629412

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG768629412

Diamond specifications and retailer prices

From £6,526 GBP
$8,744 USD
As of November 1, 2026
Save £18,935 GBP (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £25,461 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.43ct lab-grown oval diamond

This 5.43ct 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 LG768629412 or 768629412. Listed at 13 retailers as of October 31, 2026, with prices from £6,526 to £25,461, a £18,935 spread on the same certified stone. Taylor and Hart lists it at £25,461. 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

5.43
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629412
Dimensions13.92 × 9.97 × 6.23 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
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
13.92 mm9.97 mm5.43 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629412
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.4°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: Nov 1
Current: £9,645 GBP|Low: £6,526 GBP|High: £33,309 GBP|Avg: £15,508 GBP|-32.1%
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 12£6,526 GBP
Retailer 2£6,548 GBP
Retailer 9£8,404 GBP
Retailer 11£8,523 GBP
Retailer 3£8,913 GBP
Retailer 1£9,645 GBP
Retailer 6£13,352 GBP
Retailer 4£13,474 GBP
Retailer 5£13,643 GBP
Retailer 8£14,592 GBP
Retailer 7£16,521 GBP
Retailer 10£22,432 GBP
Taylor and Hart£25,461 GBP

37 data points across 13 retailers

13 retailers£6,526 GBP to £25,461 GBP

A
Cheapest Retailer
-
£6,526 GBP
$8,744 USD
A
Retailer 2
-
£6,548 GBP
$8,774 USD
View
A
Retailer 3
-
£8,404 GBP
$11,260 USD
View
A
Retailer 4
-
£8,523 GBP
$11,420 USD
View
A
Retailer 5
-
£8,913 GBP
HK$93,300 HKD
View
A
Retailer 6
-
£9,645 GBP
View
B+
Retailer 7
-
£13,352 GBP
$17,890 USD
View
B+
Retailer 8
-
£13,474 GBP
$18,054 USD
View
B+
Retailer 9
-
£13,643 GBP
€17,410 EUR
View
B+
Retailer 10
-
£14,592 GBP
View
B+
Retailer 11
-
£16,521 GBP
ZAR 357,611 ZAR
View
B+
Retailer 12
-
£22,432 GBP
$30,056 USD
View
Most Expensive
B
Taylor and Hart
GDCX8N6 · Oct 31
£25,461 GBP
$34,115 USD
View
12 more retailers have this diamond
Prices start from £6,526 GBPSave up to £18,935 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
5.43ct Oval
£6,526 GBP