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Round|Lab Grown|IGI

3.65ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG835631295

Shape and cutting style on the report: Round brilliant

Certificate IGI LG835631295

Diamond specifications and retailer prices

From £293 GBP
$392 USD
As of October 29, 2026
Save £1,181 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,474 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.65ct lab-grown round diamond

This 3.65ct 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 LG835631295 or 835631295. Listed at 11 retailers as of October 28, 2026, with prices from £293 to £1,474, a £1,181 spread on the same certified stone. Rare Carat lists it at £1,474. 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

3.65
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835631295
Dimensions9.87 × 9.93 × 5.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.87 mm9.93 mm3.65 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835631295
Side View
Table 62.0%Crown 33.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.2%

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: Oct 29
Current: £1,474 GBP|Low: £285 GBP|High: £1,496 GBP|Avg: £889 GBP|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8£293 GBP
Retailer 6£328 GBP
Retailer 10£487 GBP
Retailer 2£581 GBP
Retailer 11£664 GBP
Retailer 7£1,017 GBP
Retailer 5£1,019 GBP
Retailer 9£1,165 GBP
Retailer 4£1,418 GBP
Retailer 3£1,445 GBP
Rare Carat£1,474 GBP

29 data points across 11 retailers

11 retailers£293 GBP to £1,474 GBP

A
Cheapest Retailer
-
£293 GBP
$392 USD
A
Retailer 2
-
£328 GBP
$439 USD
View
Retailer 3
-
£487 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
£581 GBP
€741 EUR
View
A
Retailer 5
-
£664 GBP
$890 USD
View
B+
Retailer 6
-
£1,017 GBP
$1,362 USD
View
B+
Retailer 7
-
£1,019 GBP
$1,365 USD
View
B+
Retailer 8
-
£1,165 GBP
$1,561 USD
View
B+
Retailer 9
-
£1,418 GBP
View
Retailer 10
-
£1,445 GBP
SGD 2,617 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
Rare Carat
LGRD30-145742 · Oct 28
£1,474 GBP
$1,975 USD
View
10 more retailers have this diamond
Prices start from £293 GBPSave up to £1,181 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
3.65ct Round
£293 GBP