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Oval|Lab Grown|IGI

4.91ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG750559534

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG750559534

Diamond specifications and retailer prices

From £615 GBP
$824 USD
As of October 29, 2026
Save £4,911 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £8,508 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.91ct lab-grown oval diamond

This 4.91ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG750559534 or 750559534. Listed at 18 retailers as of October 29, 2026, with a 799% 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

4.91
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750559534
Dimensions13.78 × 9.62 × 5.75 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.78 mm9.62 mm4.91 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750559534
Side View
Table 63.0%Crown 34.5°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.8%

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 29
Current: £8,508 GBP|Low: £613 GBP|High: £8,859 GBP|Avg: £2,561 GBP|-4.0%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 18£615 GBP
Retailer 16£669 GBP
Retailer 11£802 GBP
Retailer 10£858 GBP
Retailer 5£1,004 GBP
Retailer 14£1,006 GBP
Retailer 15£1,196 GBP
Retailer 3£1,640 GBP
Retailer 2£1,688 GBP
Retailer 4£1,691 GBP
Retailer 6£1,919 GBP
Retailer 7£2,215 GBP
Retailer 13£2,686 GBP
Retailer 9£3,100 GBP
Retailer 8£3,743 GBP
Retailer 17£5,463 GBP
Retailer 12£5,526 GBP
Brilliant Earth£8,508 GBP

36 data points across 18 retailers

18 retailers£615 GBP to £5,526 GBP

A
Cheapest Retailer
-
£615 GBP
$824 USD
A
Retailer 2
-
£669 GBP
$897 USD
View
A
Retailer 3
-
£802 GBP
$1,075 USD
View
A
Retailer 4
-
£858 GBP
$1,150 USD
View
Final sale: no returns
Retailer 5
-
£1,004 GBP
$1,345 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£1,006 GBP
$1,348 USD
View
A
Retailer 7
-
£1,196 GBP
€1,526 EUR
View
A
Retailer 8
-
£1,640 GBP
$2,198 USD
View
B+
Retailer 9
-
£1,688 GBP
A$3,479 AUD
View
Retailer 10
-
£1,691 GBP
$2,266 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
£1,919 GBP
$2,571 USD
View
B+
Retailer 12
-
£2,215 GBP
$2,968 USD
View
B+
Retailer 13
-
£2,686 GBP
View
Retailer 14
-
£3,100 GBP
A$6,391 AUD
View
Price last confirmed 26 days ago
Retailer 15
-
£3,743 GBP
$5,015 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
£5,463 GBP
$7,320 USD
View
B
Retailer 17
-
£5,526 GBP
$7,404 USD
View
Most Expensive
Brilliant Earth
19656320A · Oct 29
£8,508 GBP
$11,400 USD
View
Price under review
17 more retailers have this diamond
Prices start from £615 GBPSave up to £4,911 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
4.91ct Oval
£615 GBP