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Oval|Lab Grown|IGI

1.59ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG845612640

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG845612640

Diamond specifications and retailer prices

From £190 GBP
$255 USD
As of November 1, 2026
Save £1,186 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,376 GBP at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

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 LG845612640 or 845612640. Listed at 21 retailers as of November 1, 2026, with prices from £190 to £1,376, a £1,186 spread on the same certified stone. Helzberg Diamonds lists it at £1,376. 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 angle35.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845612640
Dimensions9.34 × 6.46 × 4.01 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
9.34 mm6.46 mm1.59 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845612640
Side View
Table 61.0%Crown 35.2°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 62.1%

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: £1,376 GBP|Low: £190 GBP|High: £1,376 GBP|Avg: £554 GBP
Helzberg Diamonds
Retailer 2
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November 1, 2026
Retailer 18£190 GBP
Retailer 6£221 GBP
Retailer 20£237 GBP
Retailer 21£237 GBP
Retailer 12£267 GBP
Retailer 2£276 GBP
Retailer 11£319 GBP
Retailer 15£321 GBP
Retailer 16£406 GBP
Retailer 5£425 GBP
Retailer 13£451 GBP
Retailer 8£491 GBP
Retailer 17£551 GBP
Retailer 19£726 GBP
Retailer 9£731 GBP
Retailer 4£760 GBP
Retailer 14£777 GBP
Retailer 10£798 GBP
Retailer 7£930 GBP
Retailer 3£949 GBP
Helzberg Diamonds£1,376 GBP

10 data points across 21 retailers

21 retailers£190 GBP to £1,376 GBP

A
Cheapest Retailer
-
£190 GBP
$255 USD
A
Retailer 2
-
£221 GBP
$296 USD
View
Retailer 3
-
£237 GBP
$317 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£237 GBP
$317 USD
View
A
Retailer 5
-
£267 GBP
HK$2,800 HKD
View
A
Retailer 6
-
£276 GBP
View
B+
Retailer 7
-
£319 GBP
$428 USD
View
A
Retailer 8
-
£321 GBP
$430 USD
View
A
Retailer 9
-
£406 GBP
ZAR 8,790 ZAR
View
A
Retailer 10
-
£425 GBP
$570 USD
View
A
Retailer 11
-
£451 GBP
View
A
Retailer 12
-
£491 GBP
$658 USD
View
B+
Retailer 13
-
£551 GBP
A$1,136 AUD
View
B+
Retailer 14
-
£726 GBP
$973 USD
View
B+
Retailer 15
-
£731 GBP
$979 USD
View
B
Retailer 16
-
£760 GBP
$1,018 USD
View
B+
Retailer 17
-
£777 GBP
SGD 1,406 SGD
View
B+
Retailer 18
-
£798 GBP
$1,070 USD
View
B
Retailer 19
-
£930 GBP
$1,246 USD
View
Retailer 20
-
£949 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Helzberg Diamonds
ZXZOKLMHIMKG · Nov 1
£1,376 GBP
$1,844 USD
View
20 more retailers have this diamond
Prices start from £190 GBPSave up to £1,186 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
£190 GBP