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Round|Lab Grown|IGI

3.67ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG621404017

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621404017

Diamond specifications and retailer prices

From €1,172 EUR
CA$1,819 CAD
As of October 30, 2026
Save €378 EUR (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,550 EUR at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.67ct lab-grown round diamond

This 3.67ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621404017 or 621404017. Listed at 2 retailers as of October 30, 2026, with prices from €1,172 to €1,550, a €378 spread on the same certified stone. The Diamond Guys lists it at €1,550. 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

3.67
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621404017
Dimensions10.08 × 10.00 × 6.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.08 mm10.00 mm3.67 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621404017
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: €977 EUR|Low: €234 EUR|High: €4,475 EUR|Avg: €1,196 EUR|-7.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
The Diamond Guys
August 3, 2026
Retailer 3€637 EUR
Retailer 4€689 EUR
Retailer 8€778 EUR
Retailer 11€787 EUR
Retailer 5€915 EUR
Retailer 7€949 EUR
Retailer 1€977 EUR
Retailer 6€1,172 EUR
Retailer 2€1,499 EUR
The Diamond Guys€1,550 EUR
Retailer 9€2,426 EUR
Retailer 10€4,082 EUR

58 data points across 12 retailers

2 retailers€1,172 EUR to €1,550 EUR

B+
Cheapest Retailer
-
€1,172 EUR
CA$1,819 CAD
Most Expensive
B
The Diamond Guys
1954434376 · Nov 1
€1,550 EUR
$1,732 USD
View
1 more retailer has this diamond
Prices start from €1,172 EURSave up to €378 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.

B+
3.67ct Round
€1,172 EUR