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Round|Lab Grown|IGI

3.64ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG662421107

Shape and cutting style on the report: Round brilliant

Certificate IGI LG662421107

Diamond specifications and retailer prices

From $424 USD
As of October 26, 2026
Save $3,336 USD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,760 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.64ct lab-grown round diamond

This 3.64ct 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 LG662421107 or 662421107. Listed at 11 retailers as of October 26, 2026, with prices from $424 to $3,760, a $3,336 spread on the same certified stone. Do Amore Diamonds lists it at $3,760. 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

3.64
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662421107
Dimensions9.96 × 9.89 × 5.99 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
9.96 mm9.89 mm3.64 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662421107
Side View
Table 59.0%Crown 33.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.3%

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 26
Current: $3,760 USD|Low: $339 USD|High: $3,850 USD|Avg: $1,437 USD|-2.3%
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 10$424 USD
Retailer 3$474 USD
Retailer 8$474 USD
Retailer 12$828 USD
Retailer 7$830 USD
Retailer 5$959 USD
Retailer 6$1,035 USD
Retailer 4$1,070 USD
Retailer 13$1,334 USD
Retailer 9$1,473 USD
Retailer 11$1,864 USD
Retailer 2$2,141 USD
Retailer 14$2,570 USD
Do Amore Diamonds$3,760 USD

23 data points across 14 retailers

11 retailers$424 USD to $3,760 USD

A
Cheapest Retailer
-
$424 USD
A
Retailer 2
-
$474 USD
View
Final sale: no returns
A
Retailer 3
-
$474 USD
View
B+
Retailer 4
-
$828 USD
View
A
Retailer 5
-
$830 USD
View
B+
Retailer 6
-
$1,334 USD
View
B+
Retailer 7
-
$1,473 USD
View
B+
Retailer 8
-
$1,864 USD
View
B
Retailer 9
-
$2,141 USD
£1,686 GBP
View
B
Retailer 10
-
$2,570 USD
View
Most Expensive
B
Do Amore Diamonds
27-32F3C5CE8 · Oct 29
$3,760 USD
View
10 more retailers have this diamond
Prices start from $424 USDSave up to $3,336 USD

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
3.64ct Round
$424 USD