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3.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG763606262

Shape and cutting style on the report: Round brilliant

Certificate IGI LG763606262

Diamond specifications and retailer prices

From £439 GBP
$585 USD
As of October 29, 2026
Save £2,144 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,583 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.5ct lab-grown round diamond

This 3.5ct 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 LG763606262 or 763606262. Listed at 12 retailers as of October 29, 2026, with prices from £439 to £2,583, a £2,144 spread on the same certified stone. Do Amore Diamonds lists it at £2,583. 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

3.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763606262
Dimensions9.70 × 9.77 × 5.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.70 mm9.77 mm3.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763606262
Side View
Table 61.0%Crown 34.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £2,583 GBP|Low: £439 GBP|High: £55,193 GBP|Avg: £5,010 GBP
Do Amore Diamonds
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
October 29, 2026
Retailer 10£439 GBP
Retailer 13£493 GBP
Retailer 7£626 GBP
Retailer 12£638 GBP
Retailer 6£709 GBP
Retailer 8£907 GBP
Retailer 9£1,012 GBP
Retailer 4£1,038 GBP
Retailer 3£1,454 GBP
Retailer 2£1,470 GBP
Retailer 14£1,538 GBP
Retailer 11£1,855 GBP
Do Amore Diamonds£2,583 GBP
Retailer 5£55,193 GBP

17 data points across 14 retailers

12 retailers£439 GBP to £2,583 GBP

A
Cheapest Retailer
-
£439 GBP
$585 USD
B+
Retailer 2
-
£493 GBP
$657 USD
View
A
Retailer 3
-
£626 GBP
€794 EUR
View
A
Retailer 4
-
£638 GBP
$849 USD
View
B+
Retailer 5
-
£907 GBP
A$1,858 AUD
View
B+
Retailer 6
-
£1,012 GBP
$1,347 USD
View
B+
Retailer 7
-
£1,038 GBP
$1,382 USD
View
B
Retailer 8
-
£1,454 GBP
SGD 2,617 SGD
View
B
Retailer 9
-
£1,470 GBP
View
B
Retailer 10
-
£1,538 GBP
$2,048 USD
View
B
Retailer 11
-
£1,855 GBP
$2,470 USD
View
Most Expensive
B
Do Amore Diamonds
27-8C7D82B01 · Oct 29
£2,583 GBP
$3,440 USD
View
11 more retailers have this diamond
Prices start from £439 GBPSave up to £2,144 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
3.50ct Round
£439 GBP