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Oval|Lab Grown|IGI

1.59ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG677559207

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG677559207

Diamond specifications and retailer prices

From £230 GBP
$309 USD
As of November 1, 2026
Save £2,072 GBP (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,303 GBP at Brilliant Earth · As of November 2, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG677559207 or 677559207. Listed at 20 retailers as of November 1, 2026, with prices from £230 to £2,303, a £2,072 spread on the same certified stone. Brilliant Earth lists it at £2,303. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677559207
Dimensions9.08 × 6.55 × 4.16 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.08 mm6.55 mm1.59 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677559207
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,303 GBP|Low: £221 GBP|High: £2,303 GBP|Avg: £693 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
November 2, 2026
Retailer 11£230 GBP
Retailer 12£285 GBP
Retailer 5£294 GBP
Retailer 10£402 GBP
Retailer 9£459 GBP
Retailer 4£465 GBP
Retailer 7£492 GBP
Retailer 6£504 GBP
Retailer 2£711 GBP
Retailer 3£1,097 GBP
Retailer 8£1,143 GBP
Brilliant Earth£2,303 GBP

37 data points across 12 retailers

20 retailers£230 GBP to £2,303 GBP

A
Cheapest Retailer
-
£230 GBP
$309 USD
A
Retailer 2
-
£267 GBP
$358 USD
View
A
Retailer 3
-
£285 GBP
$383 USD
View
Retailer 4
-
£285 GBP
$383 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£294 GBP
View
A
Retailer 6
-
£402 GBP
$540 USD
View
A
Retailer 7
-
£459 GBP
€587 EUR
View
A
Retailer 8
-
£465 GBP
$624 USD
View
A
Retailer 9
-
£492 GBP
ZAR 10,668 ZAR
View
A
Retailer 10
-
£504 GBP
View
A
Retailer 11
-
£537 GBP
$720 USD
View
A
Retailer 12
-
£711 GBP
$954 USD
View
B+
Retailer 13
-
£823 GBP
$1,105 USD
View
B+
Retailer 14
-
£917 GBP
$1,231 USD
View
B+
Retailer 15
-
£952 GBP
$1,278 USD
View
B+
Retailer 16
-
£1,097 GBP
$1,472 USD
View
B+
Retailer 17
-
£1,113 GBP
View
B+
Retailer 18
-
£1,143 GBP
View
Retailer 19
-
£1,637 GBP
$2,196 USD
View
Price last confirmed 63 days ago
Most Expensive
B
Brilliant Earth
15449291A · Nov 2
£2,303 GBP
$3,090 USD
View
19 more retailers have this diamond
Prices start from £230 GBPSave up to £2,072 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.

A
1.59ct Oval
£230 GBP