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Oval|Lab Grown|IGI

1.01ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG840630595

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840630595

Diamond specifications and retailer prices

From £132 GBP
$176 USD
As of October 29, 2026
Save £1,046 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,178 GBP at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840630595 or 840630595. Listed at 21 retailers as of October 29, 2026, with prices from £132 to £1,178, a £1,046 spread on the same certified stone. Helzberg Diamonds lists it at £1,178. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630595
Dimensions8.06 × 5.70 × 3.43 mm
L/W Ratio1.41
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
8.06 mm5.70 mm1.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630595
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.2%

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: £1,178 GBP|Low: £132 GBP|High: £1,178 GBP|Avg: £450 GBP
Helzberg Diamonds
Retailer 2
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Retailer 22
October 30, 2026
Retailer 5£132 GBP
Retailer 9£148 GBP
Retailer 11£153 GBP
Retailer 6£164 GBP
Retailer 21£164 GBP
Retailer 2£174 GBP
Retailer 18£281 GBP
Retailer 20£290 GBP
Retailer 10£291 GBP
Retailer 13£294 GBP
Retailer 8£344 GBP
Retailer 19£400 GBP
Retailer 3£415 GBP
Retailer 15£462 GBP
Retailer 4£526 GBP
Retailer 22£556 GBP
Retailer 12£565 GBP
Retailer 7£567 GBP
Retailer 17£755 GBP
Retailer 16£770 GBP
Retailer 14£1,119 GBP
Helzberg Diamonds£1,178 GBP

18 data points across 22 retailers

21 retailers£132 GBP to £1,178 GBP

A
Cheapest Retailer
-
£132 GBP
$176 USD
A
Retailer 2
-
£148 GBP
$197 USD
View
Final sale: no returns
A
Retailer 3
-
£153 GBP
$204 USD
View
A
Retailer 4
-
£164 GBP
$218 USD
View
A
Retailer 5
-
£164 GBP
$218 USD
View
A
Retailer 6
-
£174 GBP
View
A
Retailer 7
-
£281 GBP
ZAR 6,051 ZAR
View
A
Retailer 8
-
£291 GBP
$388 USD
View
A
Retailer 9
-
£294 GBP
View
A
Retailer 10
-
£344 GBP
$458 USD
View
A
Retailer 11
-
£400 GBP
A$819 AUD
View
B+
Retailer 12
-
£415 GBP
$553 USD
View
B+
Retailer 13
-
£462 GBP
SGD 831 SGD
View
B+
Retailer 14
-
£526 GBP
$701 USD
View
B+
Retailer 15
-
£556 GBP
$741 USD
View
B+
Retailer 16
-
£565 GBP
$753 USD
View
B+
Retailer 17
-
£567 GBP
$756 USD
View
B+
Retailer 18
-
£755 GBP
$1,005 USD
View
B+
Retailer 19
-
£770 GBP
View
B
Retailer 20
-
£1,119 GBP
$1,490 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJGLPL · Oct 29
£1,178 GBP
$1,569 USD
View
20 more retailers have this diamond
Prices start from £132 GBPSave up to £1,046 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
£132 GBP