CaratHunter
Plans
Oval|Lab Grown|IGI

1.59ct F IF Oval Lab Grown Diamond

EX • F/IF • IGI LG778610915

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778610915

Diamond specifications and retailer prices

From £308 GBP
$413 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: £308 GBP at William & Sons Jewelers
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at William & Sons Jewelers

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 LG778610915 or 778610915. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778610915
Dimensions9.56 × 6.55 × 4.08 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.56 mm6.55 mm1.59 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778610915
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.3%

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: Oct 31
Current: £809 GBP|Low: £226 GBP|High: £3,286 GBP|Avg: £988 GBP|+63.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
William & Sons Jewelers
September 28, 2026
William & Sons Jewelers£308 GBP
Retailer 8£512 GBP
Retailer 7£566 GBP
Retailer 6£613 GBP
Retailer 11£778 GBP
Retailer 1£809 GBP
Retailer 3£1,033 GBP
Retailer 2£1,104 GBP
Retailer 10£1,193 GBP
Retailer 5£1,237 GBP
Retailer 9£1,246 GBP
Retailer 4£2,638 GBP

36 data points across 12 retailers

1 retailer

A
William & Sons Jewelers
cert_LG778610915 · Oct 31
£308 GBP
$413 USD
View
Final sale: no returns

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
£308 GBP