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Round|Lab Grown|IGI

3.66ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG611370735

Shape and cutting style on the report: Round brilliant

Certificate IGI LG611370735

Diamond specifications and retailer prices

From €410 EUR
$460 USD
As of October 27, 2026
Save €2,844 EUR (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,254 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.66ct lab-grown round diamond

This 3.66ct 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 LG611370735 or 611370735. Listed at 10 retailers as of October 27, 2026, with prices from €410 to €3,254, a €2,844 spread on the same certified stone. Do Amore Diamonds lists it at €3,254. 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

3.66
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611370735
Dimensions10.03 × 9.93 × 5.97 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
10.03 mm9.93 mm3.66 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611370735
Side View
Table 59.0%Crown 32.8°Girdle: Med.Pavilion 40.8°Culet: NoneDepth 59.9%

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 27
Current: €3,254 EUR|Low: €300 EUR|High: €3,335 EUR|Avg: €1,274 EUR|-2.4%
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 13€366 EUR
Retailer 8€410 EUR
Retailer 3€420 EUR
Retailer 11€719 EUR
Retailer 7€722 EUR
Retailer 5€860 EUR
Retailer 6€926 EUR
Retailer 4€951 EUR
Retailer 12€1,160 EUR
Retailer 9€1,274 EUR
Retailer 10€1,611 EUR
Retailer 2€1,851 EUR
Retailer 14€2,256 EUR
Do Amore Diamonds€3,254 EUR

23 data points across 14 retailers

10 retailers€410 EUR to €3,254 EUR

Retailer 1
-
€366 EUR
$411 USD
Price last confirmed 7 days ago
A
Retailer 2
-
€410 EUR
$460 USD
View
B+
Retailer 3
-
€719 EUR
$806 USD
View
A
Retailer 4
-
€722 EUR
$810 USD
View
B+
Retailer 5
-
€1,160 EUR
$1,301 USD
View
Retailer 6
-
€1,274 EUR
$1,429 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
€1,611 EUR
$1,807 USD
View
B
Retailer 8
-
€1,851 EUR
£1,635 GBP
View
B
Retailer 9
-
€2,256 EUR
$2,530 USD
View
Most Expensive
B
Do Amore Diamonds
27-6F588CD1B · Oct 29
€3,254 EUR
$3,650 USD
View
9 more retailers have this diamond
Prices start from €410 EURSave up to €2,844 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
3.66ct Round
€410 EUR