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Round|Lab Grown|IGI

1.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG772665652

Shape and cutting style on the report: Round brilliant

Certificate IGI LG772665652

Diamond specifications and retailer prices

From £122 GBP
As of November 5, 2026
Save £680 GBP (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £802 GBP at Reve Diamonds · As of November 6, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG772665652 or 772665652. Listed at 23 retailers as of November 5, 2026, with prices from £122 to £802, a £680 spread on the same certified stone. Reve Diamonds lists it at £802. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772665652
Dimensions6.51 × 6.54 × 4.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.51 mm6.54 mm1.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772665652
Side View
Table 57.0%Crown 34.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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: Nov 5
Current: £270 GBP|Low: £121 GBP|High: £802 GBP|Avg: £335 GBP|+2.0%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 6£122 GBP
Retailer 13£136 GBP
Retailer 8£140 GBP
Retailer 2£152 GBP
Retailer 4£152 GBP
Retailer 15£221 GBP
Retailer 9£264 GBP
Retailer 1£270 GBP
Retailer 3£272 GBP
Retailer 16£332 GBP
Retailer 12£361 GBP
Retailer 10£476 GBP
Retailer 7£486 GBP
Retailer 11£513 GBP
Retailer 5£527 GBP
Retailer 14£710 GBP
Reve Diamonds£802 GBP

44 data points across 17 retailers

23 retailers£122 GBP to £802 GBP

Retailer 1
-
£121 GBP
Price last confirmed 45 days ago
A
Retailer 2
-
£122 GBP
View
A
Retailer 3
-
£136 GBP
View
Final sale: no returns
Retailer 4
-
£148 GBP
View
Price last confirmed 66 days ago
Retailer 5
-
£148 GBP
View
Price last confirmed 45 days ago
A
Retailer 6
-
£152 GBP
View
Retailer 7
-
£152 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
£221 GBP
View
B+
Retailer 9
-
£264 GBP
View
B+
Retailer 10
-
£270 GBP
View
B+
Retailer 11
-
£272 GBP
View
Retailer 12
-
£286 GBP
View
Price last confirmed 65 days ago
B+
Retailer 13
-
£332 GBP
View
B
Retailer 14
-
£361 GBP
View
B+
Retailer 15
-
£398 GBP
View
B
Retailer 16
-
£468 GBP
View
B
Retailer 17
-
£476 GBP
View
Retailer 18
-
£482 GBP
View
Price last confirmed 46 days ago
B
Retailer 19
-
£486 GBP
View
B
Retailer 20
-
£513 GBP
View
B
Retailer 21
-
£527 GBP
View
Retailer 22
-
£710 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Reve Diamonds
3511D6F8D · Nov 6
£802 GBP
$1,079 USD
View
22 more retailers have this diamond
Prices start from £122 GBPSave up to £680 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
£122 GBP