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Round|Lab Grown|IGI

3.65ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG700501868

Shape and cutting style on the report: Round brilliant

Certificate IGI LG700501868

Diamond specifications and retailer prices

From £387 GBP
$519 USD
As of October 29, 2026
Save £3,053 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,441 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG700501868 or 700501868. Listed at 17 retailers as of October 29, 2026, with prices from £387 to £3,441, a £3,053 spread on the same certified stone. Do Amore Diamonds lists it at £3,441. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700501868
Dimensions9.85 × 9.82 × 6.08 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.85 mm9.82 mm3.65 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700501868
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.9%

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: Oct 29
Current: £825 GBP|Low: £310 GBP|High: £2,330 GBP|Avg: £1,100 GBP|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10£434 GBP
Retailer 12£434 GBP
Retailer 6£582 GBP
Retailer 3£693 GBP
Retailer 11£708 GBP
Retailer 9£744 GBP
Retailer 1£825 GBP
Retailer 7£1,240 GBP
Retailer 2£1,559 GBP
Retailer 4£1,805 GBP
Retailer 8£2,045 GBP
Retailer 5£2,314 GBP

36 data points across 12 retailers

17 retailers£387 GBP to £3,441 GBP

A
Cheapest Retailer
-
£387 GBP
$519 USD
A
Retailer 2
-
£434 GBP
$581 USD
View
Final sale: no returns
A
Retailer 3
-
£434 GBP
$581 USD
View
A
Retailer 4
-
£481 GBP
$644 USD
View
Retailer 5
-
£481 GBP
$644 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£582 GBP
$780 USD
View
A
Retailer 7
-
£693 GBP
$928 USD
View
A
Retailer 8
-
£708 GBP
$949 USD
View
B+
Retailer 9
-
£744 GBP
$997 USD
View
A
Retailer 10
-
£825 GBP
View
B
Retailer 11
-
£1,240 GBP
$1,661 USD
View
B+
Retailer 12
-
£1,394 GBP
$1,868 USD
View
Retailer 13
-
£1,559 GBP
$2,090 USD
View
Price last confirmed 51 days ago
B
Retailer 14
-
£1,805 GBP
$2,418 USD
View
B
Retailer 15
-
£2,045 GBP
$2,740 USD
View
B
Retailer 16
-
£2,314 GBP
View
Most Expensive
B
Do Amore Diamonds
27-483311FA2 · Oct 29
£3,441 GBP
$4,610 USD
View
16 more retailers have this diamond
Prices start from £387 GBPSave up to £3,053 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
£387 GBP