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Round|Lab Grown|IGI

3.61ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG646483169

Shape and cutting style on the report: Round brilliant

Certificate IGI LG646483169

Diamond specifications and retailer prices

From $1,266 USD
CA$1,758 CAD
As of October 30, 2026
Save $409 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,675 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.61ct lab-grown round diamond

This 3.61ct 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 LG646483169 or 646483169. Listed at 2 retailers as of October 30, 2026, with prices from $1,266 to $1,675, a $409 spread on the same certified stone. The Diamond Guys lists it at $1,675. 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

3.61
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646483169
Dimensions9.84 × 9.78 × 6.08 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
9.84 mm9.78 mm3.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646483169
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,064 USD|Low: $253 USD|High: $4,920 USD|Avg: $1,332 USD|-8.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 3$701 USD
Retailer 6$749 USD
Retailer 10$852 USD
Retailer 12$853 USD
Retailer 7$989 USD
Retailer 9$1,028 USD
Retailer 1$1,064 USD
Retailer 8$1,266 USD
Retailer 2$1,650 USD
The Diamond Guys$1,675 USD
Retailer 4$2,233 USD
Retailer 11$2,620 USD
Retailer 5$2,710 USD

64 data points across 13 retailers

2 retailers$1,266 USD to $1,675 USD

B+
Cheapest Retailer
-
$1,266 USD
CA$1,758 CAD
Most Expensive
B
The Diamond Guys
1954434388 · Oct 30
$1,675 USD
View
1 more retailer has this diamond
Prices start from $1,266 USDSave up to $409 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.

B+
3.61ct Round
$1,266 USD