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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG723541585

Shape and cutting style on the report: Round brilliant

Certificate IGI LG723541585

Diamond specifications and retailer prices

From £145 GBP
$193 USD
As of October 29, 2026
Save £734 GBP (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £879 GBP at Reve Diamonds · As of October 30, 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 LG723541585 or 723541585. Listed at 23 retailers as of October 29, 2026, with prices from £145 to £879, a £734 spread on the same certified stone. Reve Diamonds lists it at £879. 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 angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723541585
Dimensions6.50 × 6.46 × 4.04 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
6.50 mm6.46 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723541585
Side View
Table 56.0%Crown 34.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

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: £291 GBP|Low: £139 GBP|High: £879 GBP|Avg: £406 GBP|-0.3%
Retailer 1
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Retailer 20
Reve Diamonds
October 30, 2026
Retailer 20£145 GBP
Retailer 11£162 GBP
Retailer 4£168 GBP
Retailer 3£179 GBP
Retailer 8£179 GBP
Retailer 6£242 GBP
Retailer 1£291 GBP
Retailer 15£296 GBP
Retailer 16£308 GBP
Retailer 12£327 GBP
Retailer 9£359 GBP
Retailer 5£375 GBP
Retailer 2£380 GBP
Retailer 18£438 GBP
Retailer 19£460 GBP
Retailer 7£577 GBP
Retailer 17£591 GBP
Retailer 10£593 GBP
Retailer 13£618 GBP
Retailer 14£844 GBP
Reve Diamonds£879 GBP

38 data points across 21 retailers

23 retailers£145 GBP to £879 GBP

A
Cheapest Retailer
-
£145 GBP
$193 USD
A
Retailer 2
-
£162 GBP
$216 USD
View
Final sale: no returns
A
Retailer 3
-
£168 GBP
$224 USD
View
A
Retailer 4
-
£179 GBP
$239 USD
View
A
Retailer 5
-
£179 GBP
$239 USD
View
A
Retailer 6
-
£242 GBP
$322 USD
View
A
Retailer 7
-
£291 GBP
View
A
Retailer 8
-
£296 GBP
€375 EUR
View
A
Retailer 9
-
£308 GBP
ZAR 6,635 ZAR
View
A
Retailer 10
-
£327 GBP
View
A
Retailer 11
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£359 GBP
$478 USD
View
A
Retailer 12
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£375 GBP
$499 USD
View
A
Retailer 13
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£380 GBP
A$778 AUD
View
B+
Retailer 14
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£438 GBP
A$898 AUD
View
B+
Retailer 15
-
£460 GBP
$613 USD
View
Retailer 16
-
£526 GBP
$701 USD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
£577 GBP
$769 USD
View
B+
Retailer 18
-
£591 GBP
A$1,210 AUD
View
B+
Retailer 19
-
£605 GBP
$806 USD
View
B+
Retailer 20
-
£618 GBP
$823 USD
View
Retailer 21
-
£768 GBP
$1,023 USD
View
Price last confirmed 50 days ago
B
Retailer 22
-
£844 GBP
View
Most Expensive
B
Reve Diamonds
BD522F93F · Oct 30
£879 GBP
$1,171 USD
View
22 more retailers have this diamond
Prices start from £145 GBPSave up to £734 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
£145 GBP