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Radiant|Lab Grown|IGI

1.00ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG696522766

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG696522766

Diamond specifications and retailer prices

From £123 GBP
As of November 6, 2026
Save £686 GBP (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £809 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG696522766 or 696522766. Listed at 18 retailers as of November 6, 2026, with prices from £123 to £809, a £686 spread on the same certified stone. Reve Diamonds lists it at £809. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696522766
Dimensions6.99 × 4.98 × 3.43 mm
L/W Ratio1.40
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
6.99 mm4.98 mm1.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696522766
Side View
Table 64.0%Crown 38°Girdle: MediumPavilion 38.4°Culet: NoneDepth 68.9%

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: Nov 6
Current: £295 GBP|Low: £117 GBP|High: £809 GBP|Avg: £339 GBP|+9.7%
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
Retailer 14
Retailer 15
Reve Diamonds
November 6, 2026
Retailer 13£123 GBP
Retailer 5£138 GBP
Retailer 11£143 GBP
Retailer 3£153 GBP
Retailer 4£153 GBP
Retailer 12£219 GBP
Retailer 8£268 GBP
Retailer 2£275 GBP
Retailer 1£295 GBP
Retailer 15£333 GBP
Retailer 7£433 GBP
Retailer 14£492 GBP
Retailer 10£520 GBP
Retailer 6£533 GBP
Retailer 9£713 GBP
Reve Diamonds£809 GBP

45 data points across 16 retailers

18 retailers£123 GBP to £809 GBP

A
Cheapest Retailer
-
£123 GBP
A
Retailer 2
-
£138 GBP
View
Final sale: no returns
A
Retailer 3
-
£143 GBP
View
A
Retailer 4
-
£153 GBP
View
Retailer 5
-
£153 GBP
View
Price last confirmed 13 days ago
B+
Retailer 6
-
£219 GBP
View
B+
Retailer 7
-
£268 GBP
View
B+
Retailer 8
-
£275 GBP
View
B+
Retailer 9
-
£295 GBP
View
Retailer 10
-
£321 GBP
View
Price last confirmed 68 days ago
B+
Retailer 11
-
£333 GBP
View
B
Retailer 12
-
£405 GBP
View
Retailer 13
-
£433 GBP
View
Price last confirmed 26 days ago
B
Retailer 14
-
£492 GBP
View
B
Retailer 15
-
£520 GBP
View
B
Retailer 16
-
£533 GBP
View
B
Retailer 17
-
£713 GBP
View
Most Expensive
B
Reve Diamonds
2BCEE0D03 · Nov 6
£809 GBP
$1,083 USD
View
17 more retailers have this diamond
Prices start from £123 GBPSave up to £686 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
1.00ct Radiant
£123 GBP