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Oval|Lab Grown|IGI

1.00ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG804657218

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG804657218

Diamond specifications and retailer prices

From £130 GBP
$173 USD
As of October 29, 2026
Save £1,203 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,333 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG804657218 or 804657218. Listed at 10 retailers as of October 28, 2026, with prices from £130 to £1,333, a £1,203 spread on the same certified stone. Rare Carat lists it at £1,333. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804657218
Dimensions8.15 × 5.53 × 3.54 mm
L/W Ratio1.47
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
8.15 mm5.53 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804657218
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 64.0%

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 29
Current: £1,333 GBP|Low: £125 GBP|High: £2,080 GBP|Avg: £615 GBP|+2.9%
Rare Carat
Retailer 2
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Retailer 18
October 30, 2026
Retailer 10£125 GBP
Retailer 11£130 GBP
Retailer 2£189 GBP
Retailer 13£287 GBP
Retailer 3£322 GBP
Retailer 5£340 GBP
Retailer 4£343 GBP
Retailer 8£417 GBP
Retailer 7£427 GBP
Retailer 6£564 GBP
Retailer 15£572 GBP
Retailer 16£573 GBP
Retailer 17£631 GBP
Retailer 9£666 GBP
Retailer 12£836 GBP
Retailer 18£1,209 GBP
Retailer 14£1,247 GBP
Rare Carat£1,333 GBP

29 data points across 18 retailers

10 retailers£130 GBP to £1,333 GBP

A
Cheapest Retailer
-
£130 GBP
$173 USD
A
Retailer 2
-
£189 GBP
View
A
Retailer 3
-
£287 GBP
$382 USD
View
B+
Retailer 4
-
£572 GBP
$762 USD
View
B+
Retailer 5
-
£573 GBP
$763 USD
View
B+
Retailer 6
-
£631 GBP
$840 USD
View
B
Retailer 7
-
£836 GBP
View
B
Retailer 8
-
£1,209 GBP
$1,610 USD
View
B
Retailer 9
-
£1,247 GBP
$1,660 USD
View
Most Expensive
B
Rare Carat
PD-211828 · Oct 28
£1,333 GBP
$1,775 USD
View
9 more retailers have this diamond
Prices start from £130 GBPSave up to £1,203 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
£130 GBP