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Round|Lab Grown|IGI

3.00ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG750586280

Shape and cutting style on the report: Round brilliant

Certificate IGI LG750586280

Diamond specifications and retailer prices

From €360 EUR
$402 USD
As of October 31, 2026
Save €3,113 EUR (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,473 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3ct lab-grown round diamond

This 3ct 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 LG750586280 or 750586280. Listed at 19 retailers as of October 31, 2026, with prices from €360 to €3,473, a €3,113 spread on the same certified stone. Brilliant Earth lists it at €3,473. 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

3.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750586280
Dimensions9.23 × 9.14 × 5.73 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
9.23 mm9.14 mm3.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750586280
Side View
Table 57.0%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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 31
Current: €3,473 EUR|Low: €360 EUR|High: €3,473 EUR|Avg: €838 EUR
Brilliant Earth
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
November 1, 2026
Retailer 13€360 EUR
Retailer 12€398 EUR
Retailer 2€532 EUR
Retailer 3€535 EUR
Retailer 9€537 EUR
Retailer 8€629 EUR
Retailer 14€678 EUR
Retailer 7€709 EUR
Retailer 6€817 EUR
Retailer 11€1,167 EUR
Retailer 5€1,316 EUR
Retailer 4€1,521 EUR
Retailer 10€1,557 EUR
Brilliant Earth€3,473 EUR

38 data points across 14 retailers

19 retailers€360 EUR to €3,473 EUR

Retailer 1
-
€346 EUR
$386 USD
Price last confirmed 32 days ago
A
Retailer 2
-
€360 EUR
$402 USD
View
Final sale: no returns
Retailer 3
-
€387 EUR
$432 USD
View
Price last confirmed 38 days ago
Retailer 4
-
€398 EUR
$445 USD
View
Price last confirmed 16 days ago
Retailer 5
-
€422 EUR
$472 USD
View
Price last confirmed 32 days ago
Retailer 6
-
€422 EUR
$472 USD
View
Price last confirmed 38 days ago
A
Retailer 7
-
€532 EUR
£468 GBP
View
B+
Retailer 8
-
€535 EUR
$598 USD
View
A
Retailer 9
-
€537 EUR
$600 USD
View
A
Retailer 10
-
€629 EUR
View
A
Retailer 11
-
€678 EUR
$758 USD
View
A
Retailer 12
-
€709 EUR
£624 GBP
View
A
Retailer 13
-
€817 EUR
$913 USD
View
B+
Retailer 14
-
€1,167 EUR
$1,304 USD
View
B+
Retailer 15
-
€1,316 EUR
$1,470 USD
View
Retailer 16
-
€1,377 EUR
$1,538 USD
View
Price last confirmed 32 days ago
B
Retailer 17
-
€1,521 EUR
$1,700 USD
View
B
Retailer 18
-
€1,557 EUR
£1,370 GBP
View
Most Expensive
B
Brilliant Earth
18587084A · Oct 31
€3,473 EUR
$3,880 USD
View
18 more retailers have this diamond
Prices start from €360 EURSave up to €3,113 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
3.00ct Round
€360 EUR