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Oval|Lab Grown|IGI

1.00ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG761552791

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG761552791

Diamond specifications and retailer prices

From £218 GBP
$290 USD
As of October 28, 2026
Save £1,269 GBP (85%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £1,487 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1ct lab-grown oval diamond

This 1ct 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 LG761552791 or 761552791. Listed at 26 retailers as of October 28, 2026, with prices from £218 to £1,487, a £1,269 spread on the same certified stone. Brilliant Earth lists it at £1,487. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761552791
Dimensions5.66 × 5.66 × 3.50 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
5.66 mm5.66 mm1.00 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761552791
Side View
Table 58.0%Crown 37.3°Girdle: THN-MEDPavilion 39.9°Culet: NoneDepth 61.8%

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 28
Current: £1,487 GBP|Low: £187 GBP|High: £1,487 GBP|Avg: £535 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 5£195 GBP
Retailer 3£242 GBP
Retailer 8£242 GBP
Retailer 11£257 GBP
Retailer 6£324 GBP
Retailer 14£327 GBP
Retailer 13£415 GBP
Retailer 15£438 GBP
Retailer 16£458 GBP
Retailer 2£460 GBP
Retailer 12£588 GBP
Retailer 4£612 GBP
Retailer 7£755 GBP
Retailer 9£789 GBP
Retailer 10£974 GBP
Brilliant Earth£1,487 GBP

34 data points across 16 retailers

26 retailers£218 GBP to £1,487 GBP

Retailer 1
-
£195 GBP
$260 USD
Price last confirmed 15 days ago
A
Retailer 2
-
£218 GBP
$290 USD
View
Final sale: no returns
Retailer 3
-
£226 GBP
$301 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
£242 GBP
$322 USD
View
Retailer 5
-
£242 GBP
$322 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
£257 GBP
View
A
Retailer 7
-
£324 GBP
$432 USD
View
A
Retailer 8
-
£327 GBP
$435 USD
View
B+
Retailer 9
-
£415 GBP
ZAR 8,931 ZAR
View
B+
Retailer 10
-
£424 GBP
$564 USD
View
B+
Retailer 11
-
£430 GBP
$572 USD
View
B+
Retailer 12
-
£438 GBP
€555 EUR
View
B+
Retailer 13
-
£458 GBP
A$938 AUD
View
B+
Retailer 14
-
£460 GBP
View
B+
Retailer 15
-
£588 GBP
A$1,205 AUD
View
B+
Retailer 16
-
£612 GBP
$815 USD
View
B+
Retailer 17
-
£647 GBP
SGD 1,165 SGD
View
Retailer 18
-
£678 GBP
$903 USD
View
Price last confirmed 37 days ago
Retailer 19
-
£755 GBP
$1,005 USD
View
Price last confirmed 15 days ago
Retailer 20
-
£776 GBP
$1,034 USD
View
Price last confirmed 22 days ago
B
Retailer 21
-
£789 GBP
A$1,617 AUD
View
B
Retailer 22
-
£815 GBP
$1,086 USD
View
B
Retailer 23
-
£938 GBP
View
B
Retailer 24
-
£974 GBP
View
B
Retailer 25
-
£1,039 GBP
$1,383 USD
View
Most Expensive
B
Brilliant Earth
18648112A · Oct 29
£1,487 GBP
$1,980 USD
View
25 more retailers have this diamond
Prices start from £218 GBPSave up to £1,269 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
£218 GBP