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Round|Lab Grown|IGI

3.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG760523984

Shape and cutting style on the report: Round brilliant

Certificate IGI LG760523984

Diamond specifications and retailer prices

From €380 EUR
$424 USD
As of October 29, 2026
Save €1,849 EUR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,229 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG760523984 or 760523984. Listed at 15 retailers as of October 29, 2026, with prices from €380 to €2,229, a €1,849 spread on the same certified stone. Brilliant Earth lists it at €2,229. 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 angle33.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760523984
Dimensions9.88 × 9.94 × 5.77 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
9.88 mm9.94 mm3.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760523984
Side View
Table 61.0%Crown 33.4°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 58.3%

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: €2,229 EUR|Low: €271 EUR|High: €2,291 EUR|Avg: €925 EUR|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 3€271 EUR
Retailer 8€380 EUR
Retailer 11€425 EUR
Retailer 6€600 EUR
Retailer 2€736 EUR
Retailer 9€741 EUR
Retailer 4€774 EUR
Retailer 10€824 EUR
Retailer 7€1,139 EUR
Retailer 5€1,739 EUR
Brilliant Earth€2,229 EUR

42 data points across 11 retailers

15 retailers€380 EUR to €2,229 EUR

A
Cheapest Retailer
-
€380 EUR
$424 USD
A
Retailer 2
-
€425 EUR
$475 USD
View
Final sale: no returns
A
Retailer 3
-
€425 EUR
$475 USD
View
A
Retailer 4
-
€471 EUR
$526 USD
View
A
Retailer 5
-
€471 EUR
$526 USD
View
A
Retailer 6
-
€600 EUR
$670 USD
View
A
Retailer 7
-
€736 EUR
View
B+
Retailer 8
-
€741 EUR
$828 USD
View
A
Retailer 9
-
€774 EUR
£681 GBP
View
A
Retailer 10
-
€824 EUR
$921 USD
View
B+
Retailer 11
-
€1,139 EUR
$1,273 USD
View
Retailer 12
-
€1,216 EUR
$1,358 USD
View
Price last confirmed 45 days ago
B+
Retailer 13
-
€1,514 EUR
$1,691 USD
View
B
Retailer 14
-
€1,739 EUR
£1,530 GBP
View
Most Expensive
B
Brilliant Earth
18459169A · Oct 29
€2,229 EUR
$2,490 USD
View
14 more retailers have this diamond
Prices start from €380 EURSave up to €1,849 EUR

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
€380 EUR