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Round|Lab Grown|IGI

1.04ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG689560572

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689560572

Diamond specifications and retailer prices

From £109 GBP
As of November 5, 2026
Save £652 GBP (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £761 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.04ct lab-grown round diamond

This 1.04ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG689560572 or 689560572. Listed at 22 retailers as of November 4, 2026, with prices from £109 to £761, a £652 spread on the same certified stone. Reve Diamonds lists it at £761. 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

1.04
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689560572
Dimensions6.44 × 6.49 × 4.03 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
6.44 mm6.49 mm1.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689560572
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

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: £231 GBP|Low: £108 GBP|High: £761 GBP|Avg: £304 GBP|+6.5%
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£109 GBP
Retailer 9£122 GBP
Retailer 15£126 GBP
Retailer 2£135 GBP
Retailer 4£135 GBP
Retailer 1£231 GBP
Retailer 3£250 GBP
Retailer 12£265 GBP
Retailer 14£301 GBP
Retailer 16£318 GBP
Retailer 8£357 GBP
Retailer 13£361 GBP
Retailer 7£435 GBP
Retailer 11£460 GBP
Retailer 5£476 GBP
Retailer 10£631 GBP
Reve Diamonds£761 GBP

44 data points across 17 retailers

22 retailers£109 GBP to £761 GBP

Retailer 1
-
£108 GBP
Price last confirmed 45 days ago
A
Retailer 2
-
£109 GBP
View
A
Retailer 3
-
£122 GBP
View
Final sale: no returns
A
Retailer 4
-
£126 GBP
View
Retailer 5
-
£132 GBP
View
Price last confirmed 45 days ago
A
Retailer 6
-
£135 GBP
View
Retailer 7
-
£135 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
£213 GBP
View
A
Retailer 9
-
£231 GBP
View
B+
Retailer 10
-
£250 GBP
View
B+
Retailer 11
-
£265 GBP
View
B+
Retailer 12
-
£301 GBP
View
B+
Retailer 13
-
£318 GBP
View
Retailer 14
-
£357 GBP
View
Price last confirmed 9 days ago
B+
Retailer 15
-
£361 GBP
View
B+
Retailer 16
-
£365 GBP
View
Retailer 17
-
£432 GBP
View
Price last confirmed 46 days ago
B
Retailer 18
-
£435 GBP
View
B
Retailer 19
-
£460 GBP
View
B
Retailer 20
-
£476 GBP
View
B
Retailer 21
-
£631 GBP
View
Most Expensive
B
Reve Diamonds
112C1326F · Nov 4
£761 GBP
$1,024 USD
View
21 more retailers have this diamond
Prices start from £109 GBPSave up to £652 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
1.04ct Round
£109 GBP