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3.69ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG628425160

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628425160

Diamond specifications and retailer prices

From £983 GBP
CA$1,828 CAD
As of October 30, 2026
Save £318 GBP (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,300 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.69ct lab-grown round diamond

This 3.69ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG628425160 or 628425160. Listed at 2 retailers as of October 30, 2026, with prices from £983 to £1,300, a £318 spread on the same certified stone. The Diamond Guys lists it at £1,300. 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

3.69
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628425160
Dimensions9.85 × 9.82 × 6.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.85 mm9.82 mm3.69 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628425160
Side View
Table 57.0%Crown 35.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £542 GBP|Low: £199 GBP|High: £2,373 GBP|Avg: £994 GBP|-13.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
September 16, 2026
Retailer 6£349 GBP
Retailer 3£541 GBP
Retailer 1£542 GBP
Retailer 11£672 GBP
Retailer 5£672 GBP
Retailer 4£935 GBP
Retailer 7£983 GBP
Retailer 9£1,142 GBP
Retailer 12£1,295 GBP
The Diamond Guys£1,300 GBP
Retailer 10£1,679 GBP
Retailer 8£2,045 GBP
Retailer 2£2,299 GBP

65 data points across 13 retailers

2 retailers£983 GBP to £1,300 GBP

B+
Cheapest Retailer
-
£983 GBP
CA$1,828 CAD
Most Expensive
B
The Diamond Guys
1954434266 · Oct 30
£1,300 GBP
$1,742 USD
View
1 more retailer has this diamond
Prices start from £983 GBPSave up to £318 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.

B+
3.69ct Round
£983 GBP