Oval|Lab Grown|IGI

0.59ct D FL Oval Lab Grown Diamond

VG • D/FL • IGI LG818671991

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818671991

Diamond specifications and retailer prices

From £350 GBP
$469 USD
As of November 1, 2026
Save £1,069 GBP (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,419 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.59ct lab-grown oval diamond

This 0.59ct lab-grown oval sits in the half to three-quarter carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG818671991 or 818671991. Listed at 6 retailers as of October 29, 2026, with prices from £350 to £1,419, a £1,069 spread on the same certified stone. MOH London lists it at £1,419. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.59
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818671991
Dimensions6.59 × 4.52 × 2.97 mm
L/W Ratio1.46
Girdle conditionFaceted
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
6.59 mm4.52 mm0.59 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818671991
Side View
Table 57.0%Crown 36.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,419 GBP|Low: £350 GBP|High: £1,428 GBP|Avg: £771 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5£350 GBP
Retailer 3£569 GBP
Retailer 4£573 GBP
Retailer 2£592 GBP
Retailer 6£1,189 GBP
MOH London£1,419 GBP

41 data points across 6 retailers

6 retailers£350 GBP to £1,419 GBP

B+
Cheapest Retailer
-
£350 GBP
$469 USD
B
Retailer 2
-
£569 GBP
€726 EUR
View
B
Retailer 3
-
£573 GBP
$768 USD
View
B
Retailer 4
-
£592 GBP
View
B
Retailer 5
-
£1,189 GBP
$1,593 USD
View
Most Expensive
B
MOH London
LG818671991 · Oct 29
£1,419 GBP
View
5 more retailers have this diamond
Prices start from £350 GBPSave up to £1,069 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.

B+
0.59ct Oval
£350 GBP