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3.65ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG607332155

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607332155

Diamond specifications and retailer prices

From $2,311 NZD
CA$1,809 CAD
As of October 30, 2026
Save $746 NZD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,057 NZD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.65ct lab-grown round diamond

This 3.65ct 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 LG607332155 or 607332155. Listed at 2 retailers as of October 30, 2026, with prices from $2,311 to $3,057, a $746 spread on the same certified stone. The Diamond Guys lists it at $3,057. 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

3.65
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607332155
Dimensions10.06 × 10.00 × 6.02 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
10.06 mm10.00 mm3.65 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607332155
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.0%

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: $5,199 NZD|Low: $461 NZD|High: $8,818 NZD|Avg: $2,293 NZD|-32.3%
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$1,258 NZD
Retailer 5$1,359 NZD
Retailer 9$1,537 NZD
Retailer 11$1,553 NZD
Retailer 6$1,794 NZD
Retailer 8$1,872 NZD
Retailer 4$1,930 NZD
Retailer 7$2,311 NZD
Retailer 2$3,007 NZD
The Diamond Guys$3,057 NZD
Retailer 10$4,773 NZD
Retailer 1$5,199 NZD

59 data points across 12 retailers

2 retailers$2,311 NZD to $3,057 NZD

B+
Cheapest Retailer
-
$2,311 NZD
CA$1,809 CAD
Most Expensive
B
The Diamond Guys
1954434382 · Nov 1
$3,057 NZD
$1,723 USD
View
1 more retailer has this diamond
Prices start from $2,311 NZDSave up to $746 NZD

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+
3.65ct Round
$2,311 NZD