Oval|Lab Grown|IGI

1.02ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG788629517

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG788629517

Diamond specifications and retailer prices

From £322 GBP
$432 USD
As of October 30, 2026
Save £643 GBP (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,423 GBP at Rare Carat · As of August 9, 2026
View at Rare Carat

About this 1.02ct lab-grown oval diamond

This 1.02ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788629517 or 788629517. Listed at 7 retailers as of October 29, 2026, with a 200% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788629517
Dimensions8.46 × 5.58 × 3.49 mm
L/W Ratio1.52
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
8.46 mm5.58 mm1.02 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788629517
Side View
Table 57.0%Crown 36.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

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: Oct 30
Current: £1,423 GBP|Low: £322 GBP|High: £1,423 GBP|Avg: £697 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2£322 GBP
Retailer 6£441 GBP
Retailer 3£457 GBP
Retailer 5£477 GBP
Retailer 7£809 GBP
Retailer 4£966 GBP
Rare Carat£1,423 GBP

40 data points across 7 retailers

7 retailers£322 GBP to £966 GBP

A
Cheapest Retailer
-
£322 GBP
$432 USD
B+
Retailer 2
-
£441 GBP
$591 USD
View
B+
Retailer 3
-
£457 GBP
View
B+
Retailer 4
-
£477 GBP
$639 USD
View
B
Retailer 5
-
£809 GBP
$1,084 USD
View
B
Retailer 6
-
£966 GBP
View
Most Expensive
Rare Carat
H20577 · Aug 9
£1,423 GBP
$1,906 USD
View
Price last confirmed 82 days ago
6 more retailers have this diamond
Prices start from £322 GBPSave up to £643 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
1.02ct Oval
£322 GBP