Round|Lab Grown|IGI

3.86ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG622487732

Shape and cutting style on the report: Round brilliant

Certificate IGI LG622487732

Diamond specifications and retailer prices

From $1,995 AUD
CA$1,946 CAD
As of October 30, 2026
Save $643 AUD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,638 AUD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.86ct lab-grown round diamond

This 3.86ct 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 LG622487732 or 622487732. Listed at 2 retailers as of October 30, 2026, with prices from $1,995 to $2,638, a $643 spread on the same certified stone. The Diamond Guys lists it at $2,638. 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

3.86
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG622487732
Dimensions10.08 × 10.02 × 6.17 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 mm10.02 mm3.86 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG622487732
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.4%

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: $1,623 AUD|Low: $401 AUD|High: $7,659 AUD|Avg: $2,155 AUD
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$1,087 AUD
Retailer 6$1,211 AUD
Retailer 9$1,294 AUD
Retailer 11$1,345 AUD
Retailer 8$1,539 AUD
Retailer 1$1,623 AUD
Retailer 4$1,646 AUD
Retailer 7$1,995 AUD
The Diamond Guys$2,638 AUD
Retailer 10$4,100 AUD
Retailer 2$4,456 AUD
Retailer 5$7,659 AUD

65 data points across 12 retailers

2 retailers$1,995 AUD to $2,638 AUD

B+
Cheapest Retailer
-
$1,995 AUD
CA$1,946 CAD
Most Expensive
B
The Diamond Guys
1954434259 · Oct 30
$2,638 AUD
$1,853 USD
View
1 more retailer has this diamond
Prices start from $1,995 AUDSave up to $643 AUD

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+
3.86ct Round
$1,995 AUD