Oval|Lab Grown|IGI

5.09ct D VS1 Oval Lab Grown Diamond

EX • D/VS1 • IGI LG843678189

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843678189

Diamond specifications and retailer prices

From £1,940 GBP
$2,583 USD
As of October 24, 2026
Save £1,072 GBP (36%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £9,004 GBP at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 5.09ct lab-grown oval diamond

This 5.09ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843678189 or 843678189. Listed at 13 retailers as of October 24, 2026, with a 55% 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

5.09
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843678189
Dimensions12.87 × 8.86 × 5.59 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.87 mm8.86 mm5.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843678189
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 24
Current: £9,004 GBP|Low: £915 GBP|High: £9,004 GBP|Avg: £2,551 GBP
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
October 23, 2026
Retailer 2£929 GBP
Retailer 10£935 GBP
Retailer 12£980 GBP
Retailer 3£1,335 GBP
Retailer 9£1,341 GBP
Retailer 8£1,381 GBP
Retailer 11£1,750 GBP
Retailer 15£1,862 GBP
Retailer 13£1,940 GBP
Retailer 4£2,380 GBP
Retailer 5£2,549 GBP
Retailer 6£2,947 GBP
Retailer 7£3,012 GBP
Retailer 14£3,179 GBP
Brilliant Earth£9,004 GBP

11 data points across 15 retailers

13 retailers£1,940 GBP to £3,012 GBP

Retailer 1
-
£935 GBP
Price last confirmed 8 days ago
Retailer 2
-
£980 GBP
$1,305 USD
View
Price last confirmed 7 days ago
Retailer 3
-
£1,341 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
£1,381 GBP
$1,839 USD
View
Price last confirmed 6 days ago
Retailer 5
-
£1,750 GBP
A$3,585 AUD
View
Price last confirmed 8 days ago
Retailer 6
-
£1,862 GBP
$2,480 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
£1,940 GBP
$2,583 USD
View
B+
Retailer 8
-
£2,380 GBP
View
Retailer 9
-
£2,549 GBP
$3,395 USD
View
Price last confirmed 7 days ago
Retailer 10
-
£2,947 GBP
View
Price last confirmed 8 days ago
B
Retailer 11
-
£3,012 GBP
$4,011 USD
View
Retailer 12
-
£3,179 GBP
$4,234 USD
View
Price last confirmed 8 days ago
Most Expensive
Brilliant Earth
21775588A · Oct 23
£9,004 GBP
$11,990 USD
View
Price under review
12 more retailers have this diamond
Prices start from £1,940 GBPSave up to £1,072 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+
5.09ct Oval
£1,940 GBP