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Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG694573106

Shape and cutting style on the report: Round brilliant

Certificate IGI LG694573106

Diamond specifications and retailer prices

From £103 GBP
As of November 5, 2026
Save £639 GBP (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £742 GBP at Reve Diamonds · As of November 4, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG694573106 or 694573106. Listed at 19 retailers as of November 4, 2026, with prices from £103 to £742, a £639 spread on the same certified stone. Reve Diamonds lists it at £742. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694573106
Dimensions6.59 × 6.66 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.59 mm6.66 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694573106
Side View
Table 58.0%Crown 33°Girdle: THN-MEDPavilion 41.3°Culet: NoneDepth 60.6%

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: Nov 5
Current: £214 GBP|Low: £99 GBP|High: £606 GBP|Avg: £265 GBP|+4.7%
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
November 6, 2026
Retailer 6£103 GBP
Retailer 4£115 GBP
Retailer 13£128 GBP
Retailer 2£175 GBP
Retailer 12£190 GBP
Retailer 1£214 GBP
Retailer 5£240 GBP
Retailer 11£244 GBP
Retailer 8£286 GBP
Retailer 9£303 GBP
Retailer 3£357 GBP
Retailer 7£597 GBP
Retailer 10£602 GBP

45 data points across 13 retailers

19 retailers£103 GBP to £742 GBP

A
Cheapest Retailer
-
£103 GBP
A
Retailer 2
-
£115 GBP
View
Final sale: no returns
A
Retailer 3
-
£120 GBP
View
Retailer 4
-
£128 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£128 GBP
View
B+
Retailer 6
-
£175 GBP
View
A
Retailer 7
-
£190 GBP
View
A
Retailer 8
-
£214 GBP
View
A
Retailer 9
-
£217 GBP
View
A
Retailer 10
-
£244 GBP
View
B+
Retailer 11
-
£286 GBP
View
B+
Retailer 12
-
£303 GBP
View
B+
Retailer 13
-
£340 GBP
View
B+
Retailer 14
-
£357 GBP
View
B
Retailer 15
-
£412 GBP
View
B
Retailer 16
-
£452 GBP
View
B
Retailer 17
-
£597 GBP
View
B
Retailer 18
-
£602 GBP
View
Most Expensive
B
Reve Diamonds
8F25A5678 · Nov 4
£742 GBP
$999 USD
View
18 more retailers have this diamond
Prices start from £103 GBPSave up to £639 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
£103 GBP