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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG720503485

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720503485

Diamond specifications and retailer prices

From £134 GBP
$179 USD
As of October 29, 2026
Save £712 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £846 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round 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 LG720503485 or 720503485. Listed at 18 retailers as of October 28, 2026, with prices from £134 to £846, a £712 spread on the same certified stone. Reve Diamonds lists it at £846. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720503485
Dimensions6.58 × 6.54 × 3.99 mm
L/W Ratio1.01
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
6.58 mm6.54 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720503485
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

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A+
Exceptional
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: £298 GBP|Low: £134 GBP|High: £846 GBP|Avg: £392 GBP|-1.0%
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Reve Diamonds
October 29, 2026
Retailer 9£134 GBP
Retailer 4£150 GBP
Retailer 6£156 GBP
Retailer 13£167 GBP
Retailer 17£167 GBP
Retailer 8£225 GBP
Retailer 10£271 GBP
Retailer 11£286 GBP
Retailer 1£298 GBP
Retailer 7£348 GBP
Retailer 16£371 GBP
Retailer 12£407 GBP
Retailer 2£536 GBP
Retailer 15£566 GBP
Retailer 5£577 GBP
Retailer 14£780 GBP
Retailer 3£785 GBP
Reve Diamonds£846 GBP

37 data points across 18 retailers

18 retailers£134 GBP to £846 GBP

A+
Cheapest Retailer
-
£134 GBP
$179 USD
A
Retailer 2
-
£150 GBP
$200 USD
View
Final sale: no returns
A
Retailer 3
-
£156 GBP
$208 USD
View
A
Retailer 4
-
£167 GBP
$222 USD
View
A
Retailer 5
-
£167 GBP
$222 USD
View
B+
Retailer 6
-
£225 GBP
$300 USD
View
A
Retailer 7
-
£271 GBP
View
A
Retailer 8
-
£286 GBP
ZAR 6,157 ZAR
View
A
Retailer 9
-
£298 GBP
View
A
Retailer 10
-
£348 GBP
$463 USD
View
A
Retailer 11
-
£371 GBP
$494 USD
View
A
Retailer 12
-
£407 GBP
A$833 AUD
View
B+
Retailer 13
-
£536 GBP
$714 USD
View
B+
Retailer 14
-
£566 GBP
$754 USD
View
B+
Retailer 15
-
£577 GBP
$768 USD
View
B+
Retailer 16
-
£780 GBP
View
Retailer 17
-
£785 GBP
$1,045 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Reve Diamonds
DCF2AC42F · Oct 28
£846 GBP
$1,127 USD
View
17 more retailers have this diamond
Prices start from £134 GBPSave up to £712 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+
1.05ct Round
£134 GBP