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Oval|Lab Grown|IGI

1.59ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG818660757

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818660757

Diamond specifications and retailer prices

From £183 GBP
$245 USD
As of November 1, 2026
Save £884 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,067 GBP at Brilliant Earth · As of October 31, 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 LG818660757 or 818660757. Listed at 20 retailers as of October 31, 2026, with prices from £183 to £1,067, a £884 spread on the same certified stone. Brilliant Earth lists it at £1,067. 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 angle36.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818660757
Dimensions9.57 × 6.37 × 4.10 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.57 mm6.37 mm1.59 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818660757
Side View
Table 60.0%Crown 36.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 64.4%

Caratlytics Score

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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: Nov 1
Current: £1,067 GBP|Low: £171 GBP|High: £1,119 GBP|Avg: £541 GBP|-3.4%
Brilliant Earth
Retailer 2
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Retailer 20
November 1, 2026
Retailer 9£183 GBP
Retailer 7£204 GBP
Retailer 4£212 GBP
Retailer 18£227 GBP
Retailer 19£227 GBP
Retailer 16£381 GBP
Retailer 2£392 GBP
Retailer 3£423 GBP
Retailer 14£431 GBP
Retailer 17£529 GBP
Retailer 15£575 GBP
Retailer 5£705 GBP
Retailer 12£710 GBP
Retailer 11£713 GBP
Retailer 20£730 GBP
Retailer 8£733 GBP
Retailer 6£768 GBP
Retailer 10£893 GBP
Retailer 13£910 GBP
Brilliant Earth£1,067 GBP

33 data points across 20 retailers

20 retailers£183 GBP to £1,067 GBP

A
Cheapest Retailer
-
£183 GBP
$245 USD
A
Retailer 2
-
£204 GBP
$274 USD
View
Final sale: no returns
A
Retailer 3
-
£212 GBP
$284 USD
View
A
Retailer 4
-
£227 GBP
$304 USD
View
Retailer 5
-
£227 GBP
$304 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£381 GBP
$511 USD
View
A
Retailer 7
-
£392 GBP
ZAR 8,483 ZAR
View
A
Retailer 8
-
£423 GBP
$567 USD
View
A
Retailer 9
-
£431 GBP
View
A
Retailer 10
-
£529 GBP
A$1,091 AUD
View
B+
Retailer 11
-
£575 GBP
$771 USD
View
B+
Retailer 12
-
£705 GBP
$944 USD
View
Retailer 13
-
£710 GBP
A$1,463 AUD
View
Price last confirmed 7 days ago
Retailer 14
-
£713 GBP
$955 USD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
£730 GBP
$978 USD
View
B+
Retailer 16
-
£733 GBP
SGD 1,328 SGD
View
B+
Retailer 17
-
£768 GBP
$1,029 USD
View
B
Retailer 18
-
£893 GBP
$1,197 USD
View
B
Retailer 19
-
£910 GBP
View
Most Expensive
B
Brilliant Earth
21492108A · Oct 31
£1,067 GBP
$1,430 USD
View
19 more retailers have this diamond
Prices start from £183 GBPSave up to £884 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
£183 GBP