Oval|Lab Grown|IGI

1.01ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG818668171

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818668171

Diamond specifications and retailer prices

From £153 GBP
$205 USD
As of October 29, 2026
Save £1,190 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,343 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.01ct lab-grown oval diamond

This 1.01ct 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 LG818668171 or 818668171. Listed at 18 retailers as of October 28, 2026, with prices from £153 to £1,343, a £1,190 spread on the same certified stone. Rare Carat lists it at £1,343. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818668171
Dimensions8.29 × 5.63 × 3.46 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
8.29 mm5.63 mm1.01 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818668171
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.5%

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 29
Current: £1,343 GBP|Low: £153 GBP|High: £1,351 GBP|Avg: £527 GBP|-0.6%
Rare Carat
Retailer 2
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Retailer 19
October 30, 2026
Retailer 3£153 GBP
Retailer 5£170 GBP
Retailer 16£178 GBP
Retailer 8£190 GBP
Retailer 15£190 GBP
Retailer 12£201 GBP
Retailer 17£321 GBP
Retailer 9£326 GBP
Retailer 18£328 GBP
Retailer 13£349 GBP
Retailer 4£420 GBP
Retailer 11£524 GBP
Retailer 7£610 GBP
Retailer 19£612 GBP
Retailer 6£649 GBP
Retailer 10£662 GBP
Retailer 14£891 GBP
Retailer 2£1,097 GBP
Rare Carat£1,343 GBP

35 data points across 19 retailers

18 retailers£153 GBP to £1,343 GBP

A
Cheapest Retailer
-
£153 GBP
$205 USD
A
Retailer 2
-
£170 GBP
$228 USD
View
Final sale: no returns
A
Retailer 3
-
£178 GBP
$238 USD
View
A
Retailer 4
-
£190 GBP
$254 USD
View
A
Retailer 5
-
£190 GBP
$254 USD
View
A
Retailer 6
-
£201 GBP
View
Retailer 7
-
£321 GBP
ZAR 6,940 ZAR
View
Price last confirmed 7 days ago
A
Retailer 8
-
£328 GBP
$439 USD
View
A
Retailer 9
-
£349 GBP
View
B+
Retailer 10
-
£420 GBP
$563 USD
View
B+
Retailer 11
-
£524 GBP
SGD 949 SGD
View
B+
Retailer 12
-
£610 GBP
$817 USD
View
B+
Retailer 13
-
£612 GBP
$820 USD
View
B+
Retailer 14
-
£649 GBP
$870 USD
View
B+
Retailer 15
-
£662 GBP
$887 USD
View
B
Retailer 16
-
£891 GBP
View
B
Retailer 17
-
£1,097 GBP
$1,470 USD
View
Most Expensive
B
Rare Carat
PD-225558 · Oct 28
£1,343 GBP
$1,800 USD
View
17 more retailers have this diamond
Prices start from £153 GBPSave up to £1,190 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
1.01ct Oval
£153 GBP