Oval|Lab Grown|IGI

1.59ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG823679358

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG823679358

Diamond specifications and retailer prices

From £239 GBP
HK$2,500 HKD
As of November 1, 2026
Save £621 GBP (72%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,403 GBP at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.59ct lab-grown oval diamond

This 1.59ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823679358 or 823679358. Listed at 21 retailers as of October 31, 2026, with a 260% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823679358
Dimensions9.55 × 6.53 × 4.04 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.55 mm6.53 mm1.59 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823679358
Side View
Table 64.0%Crown 34.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,403 GBP|Low: £229 GBP|High: £1,478 GBP|Avg: £613 GBP|-5.1%
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
November 1, 2026
Retailer 3£239 GBP
Retailer 6£280 GBP
Retailer 10£340 GBP
Retailer 13£357 GBP
Retailer 9£388 GBP
Retailer 16£417 GBP
Retailer 14£486 GBP
Retailer 12£512 GBP
Retailer 7£685 GBP
Retailer 5£708 GBP
Retailer 15£713 GBP
Retailer 11£761 GBP
Retailer 8£796 GBP
Retailer 2£834 GBP
Retailer 4£860 GBP
Brilliant Earth£1,403 GBP

31 data points across 16 retailers

21 retailers£239 GBP to £860 GBP

Retailer 1
-
£160 GBP
$214 USD
Price last confirmed 24 days ago
Retailer 2
-
£197 GBP
$264 USD
View
Price last confirmed 37 days ago
Retailer 3
-
£206 GBP
$276 USD
View
Price last confirmed 24 days ago
Retailer 4
-
£206 GBP
$276 USD
View
Price last confirmed 25 days ago
A
Retailer 5
-
£239 GBP
HK$2,500 HKD
View
B+
Retailer 6
-
£280 GBP
$375 USD
View
A
Retailer 7
-
£340 GBP
€434 EUR
View
A
Retailer 8
-
£357 GBP
ZAR 7,738 ZAR
View
A
Retailer 9
-
£388 GBP
View
A
Retailer 10
-
£417 GBP
$559 USD
View
A
Retailer 11
-
£486 GBP
A$1,002 AUD
View
A
Retailer 12
-
£512 GBP
$686 USD
View
Retailer 13
-
£662 GBP
$887 USD
View
Price last confirmed 25 days ago
B+
Retailer 14
-
£685 GBP
SGD 1,241 SGD
View
B+
Retailer 15
-
£708 GBP
$949 USD
View
Retailer 16
-
£713 GBP
$955 USD
View
Price last confirmed 11 days ago
B+
Retailer 17
-
£761 GBP
$1,020 USD
View
Retailer 18
-
£796 GBP
View
Price last confirmed 26 days ago
B+
Retailer 19
-
£834 GBP
View
B
Retailer 20
-
£860 GBP
$1,152 USD
View
Most Expensive
Brilliant Earth
21101895A · Oct 21
£1,403 GBP
$1,880 USD
View
Price last confirmed 11 days ago
20 more retailers have this diamond
Prices start from £239 GBPSave up to £621 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
1.59ct Oval
£239 GBP