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Oval|Lab Grown|IGI

1.00ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG761553178

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG761553178

Diamond specifications and retailer prices

From £218 GBP
$290 USD
As of October 28, 2026
Save £821 GBP (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,039 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

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 LG761553178 or 761553178. Listed at 25 retailers as of October 28, 2026, with prices from £218 to £1,039, a £821 spread on the same certified stone. Reve Diamonds lists it at £1,039. 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 angle35.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761553178
Dimensions5.80 × 5.80 × 3.43 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
5.80 mm5.80 mm1.00 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761553178
Side View
Table 61.0%Crown 35.8°Girdle: THN-STKPavilion 39.7°Culet: NoneDepth 59.1%

Caratlytics Score

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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 28
Current: £974 GBP|Low: £187 GBP|High: £1,524 GBP|Avg: £520 GBP|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 19
October 29, 2026
Retailer 4£195 GBP
Retailer 9£226 GBP
Retailer 8£242 GBP
Retailer 18£242 GBP
Retailer 12£257 GBP
Retailer 6£324 GBP
Retailer 16£327 GBP
Retailer 14£415 GBP
Retailer 10£424 GBP
Retailer 17£438 GBP
Retailer 19£458 GBP
Retailer 15£460 GBP
Retailer 13£588 GBP
Retailer 3£612 GBP
Retailer 7£755 GBP
Retailer 5£773 GBP
Retailer 11£776 GBP
Retailer 1£974 GBP
Retailer 2£1,524 GBP

40 data points across 19 retailers

25 retailers£218 GBP to £1,039 GBP

A
Retailer 1
-
£195 GBP
$260 USD
Price last confirmed 16 days ago
A
Retailer 2
-
£218 GBP
$290 USD
View
Final sale: no returns
A
Retailer 3
-
£226 GBP
$301 USD
View
Price last confirmed 16 days ago
A
Retailer 4
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£242 GBP
$322 USD
View
Price last confirmed 27 days ago
A
Retailer 5
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£242 GBP
$322 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£242 GBP
$322 USD
View
A
Retailer 7
-
£257 GBP
View
A
Retailer 8
-
£324 GBP
$432 USD
View
A
Retailer 9
-
£327 GBP
$435 USD
View
B+
Retailer 10
-
£415 GBP
ZAR 8,931 ZAR
View
B+
Retailer 11
-
£424 GBP
$564 USD
View
B+
Retailer 12
-
£430 GBP
$572 USD
View
B+
Retailer 13
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£438 GBP
€555 EUR
View
B+
Retailer 14
-
£458 GBP
A$938 AUD
View
B+
Retailer 15
-
£460 GBP
View
B+
Retailer 16
-
£588 GBP
A$1,205 AUD
View
B+
Retailer 17
-
£612 GBP
$815 USD
View
B
Retailer 18
-
£647 GBP
SGD 1,165 SGD
View
B
Retailer 19
-
£755 GBP
$1,005 USD
View
Price last confirmed 15 days ago
B
Retailer 20
-
£773 GBP
A$1,584 AUD
View
Price last confirmed 21 days ago
B
Retailer 21
-
£776 GBP
$1,034 USD
View
Price last confirmed 22 days ago
B
Retailer 22
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£815 GBP
$1,086 USD
View
B
Retailer 23
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£938 GBP
View
B
Retailer 24
-
£974 GBP
View
Most Expensive
B
Reve Diamonds
ED5ECA67A · Oct 28
£1,039 GBP
$1,383 USD
View
24 more retailers have this diamond
Prices start from £218 GBPSave up to £821 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