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Oval|Lab Grown|IGI

1.03ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG663410544

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG663410544

Diamond specifications and retailer prices

From £158 GBP
$211 USD
As of October 29, 2026
Save £990 GBP (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,149 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.03ct lab-grown oval diamond

This 1.03ct 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 LG663410544 or 663410544. Listed at 23 retailers as of October 29, 2026, with prices from £158 to £1,149, a £990 spread on the same certified stone. Brilliant Earth lists it at £1,149. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG663410544
Dimensions5.77 × 5.77 × 3.57 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
5.77 mm5.77 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG663410544
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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 29
Current: £1,149 GBP|Low: £157 GBP|High: £1,149 GBP|Avg: £482 GBP
Brilliant Earth
Retailer 2
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October 29, 2026
Retailer 10£158 GBP
Retailer 15£176 GBP
Retailer 19£184 GBP
Retailer 5£197 GBP
Retailer 12£197 GBP
Retailer 16£338 GBP
Retailer 6£339 GBP
Retailer 2£362 GBP
Retailer 18£371 GBP
Retailer 4£373 GBP
Retailer 20£409 GBP
Retailer 21£439 GBP
Retailer 17£480 GBP
Retailer 8£533 GBP
Retailer 9£632 GBP
Retailer 11£672 GBP
Retailer 14£691 GBP
Retailer 13£762 GBP
Retailer 3£792 GBP
Retailer 7£923 GBP
Brilliant Earth£1,149 GBP

40 data points across 21 retailers

23 retailers£158 GBP to £1,149 GBP

A
Retailer 1
-
£157 GBP
$209 USD
Price last confirmed 38 days ago
A
Retailer 2
-
£158 GBP
$211 USD
View
A
Retailer 3
-
£176 GBP
$235 USD
View
Final sale: no returns
A
Retailer 4
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£184 GBP
$245 USD
View
A
Retailer 5
-
£192 GBP
$256 USD
View
Price last confirmed 37 days ago
A
Retailer 6
-
£197 GBP
$262 USD
View
A
Retailer 7
-
£197 GBP
$262 USD
View
A
Retailer 8
-
£338 GBP
ZAR 7,262 ZAR
View
A
Retailer 9
-
£339 GBP
$451 USD
View
A
Retailer 10
-
£362 GBP
View
A
Retailer 11
-
£371 GBP
€471 EUR
View
A
Retailer 12
-
£373 GBP
$497 USD
View
B+
Retailer 13
-
£409 GBP
A$838 AUD
View
B+
Retailer 14
-
£439 GBP
$584 USD
View
B+
Retailer 15
-
£480 GBP
A$984 AUD
View
B+
Retailer 16
-
£533 GBP
$710 USD
View
B+
Retailer 17
-
£632 GBP
$841 USD
View
B+
Retailer 18
-
£672 GBP
$894 USD
View
B
Retailer 19
-
£705 GBP
$939 USD
View
B+
Retailer 20
-
£762 GBP
A$1,562 AUD
View
B
Retailer 21
-
£792 GBP
View
Price last confirmed 10 days ago
B
Retailer 22
-
£923 GBP
$1,229 USD
View
Most Expensive
B
Brilliant Earth
14275370A · Oct 29
£1,149 GBP
$1,530 USD
View
22 more retailers have this diamond
Prices start from £158 GBPSave up to £990 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
1.03ct Oval
£158 GBP