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Oval|Lab Grown|IGI

1.00ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG845671492

Certificate IGI LG845671492

Diamond specifications and retailer prices

From £334 GBP
$445 USD
As of October 25, 2026
Save £397 GBP (54%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £731 GBP at With Clarity · As of October 29, 2026
View at With Clarity

About this 1ct lab-grown oval diamond

This 1ct 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 LG845671492 or 845671492. Listed at 4 retailers as of October 25, 2026, with prices from £334 to £731, a £397 spread on the same certified stone. With Clarity lists it at £731. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG845671492
Dimensions8.23 × 5.53 × 3.45 mm
L/W Ratio1.49
Top View
8.23 mm5.53 mm1.00 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845671492
Side View
Table 62.0%CrownGirdle: THK-MEDPavilionCulet: NoneDepth 62.4%

Caratlytics Score

How it works →
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: Oct 25
Current: £436 GBP|Low: £334 GBP|High: £731 GBP|Avg: £470 GBP
Retailer 1
Retailer 2
Retailer 3
With Clarity
October 27, 2026
Retailer 3£334 GBP
Retailer 2£431 GBP
Retailer 1£436 GBP
With Clarity£731 GBP

3 data points across 4 retailers

4 retailers£334 GBP to £731 GBP

A
Cheapest Retailer
-
£334 GBP
$445 USD
B+
Retailer 2
-
£431 GBP
$574 USD
View
B+
Retailer 3
-
£436 GBP
$581 USD
View
Most Expensive
B
With Clarity
845671492 · Oct 29
£731 GBP
$974 USD
View
3 more retailers have this diamond
Prices start from £334 GBPSave up to £397 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
1.00ct Oval
£334 GBP