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Round|Lab Grown|IGI

3.10ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG660419669

Shape and cutting style on the report: Round brilliant

Certificate IGI LG660419669

Diamond specifications and retailer prices

From €316 EUR
$352 USD
As of October 29, 2026
Save €1,270 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,586 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660419669 or 660419669. Listed at 13 retailers as of October 28, 2026, with prices from €316 to €1,586, a €1,270 spread on the same certified stone. Rare Carat lists it at €1,586. 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

3.10
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660419669
Dimensions9.42 × 9.39 × 5.73 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
9.42 mm9.39 mm3.10 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660419669
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.9%

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: €1,586 EUR|Low: €316 EUR|High: €3,833 EUR|Avg: €1,292 EUR|-13.2%
Rare Carat
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
Retailer 15
October 29, 2026
Retailer 2€316 EUR
Retailer 5€367 EUR
Retailer 4€393 EUR
Retailer 13€437 EUR
Retailer 11€626 EUR
Retailer 9€628 EUR
Retailer 15€631 EUR
Retailer 12€678 EUR
Retailer 8€702 EUR
Retailer 14€883 EUR
Retailer 3€1,261 EUR
Retailer 10€1,542 EUR
Rare Carat€1,586 EUR
Retailer 7€3,567 EUR
Retailer 6€3,833 EUR

3 data points across 15 retailers

13 retailers€316 EUR to €1,586 EUR

A
Cheapest Retailer
-
€316 EUR
$352 USD
A
Retailer 2
-
€367 EUR
$409 USD
View
A
Retailer 3
-
€393 EUR
$437 USD
View
A
Retailer 4
-
€437 EUR
HK$3,800 HKD
View
A
Retailer 5
-
€626 EUR
£549 GBP
View
A
Retailer 6
-
€628 EUR
View
B+
Retailer 7
-
€631 EUR
$702 USD
View
A
Retailer 8
-
€678 EUR
$755 USD
View
A
Retailer 9
-
€702 EUR
£615 GBP
View
B+
Retailer 10
-
€883 EUR
$983 USD
View
B
Retailer 11
-
€1,261 EUR
$1,404 USD
View
B
Retailer 12
-
€1,542 EUR
£1,351 GBP
View
Most Expensive
B
Rare Carat
KI6694196KF660 · Oct 28
€1,586 EUR
$1,765 USD
View
12 more retailers have this diamond
Prices start from €316 EURSave up to €1,270 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
3.10ct Round
€316 EUR