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3.67ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG631415591

Shape and cutting style on the report: Round brilliant

Certificate IGI LG631415591

Diamond specifications and retailer prices

From $2,327 NZD
CA$1,819 CAD
As of October 30, 2026
Save $751 NZD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,078 NZD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.67ct lab-grown round diamond

This 3.67ct 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 LG631415591 or 631415591. Listed at 2 retailers as of October 30, 2026, with prices from $2,327 to $3,078, a $751 spread on the same certified stone. The Diamond Guys lists it at $3,078. 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

3.67
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631415591
Dimensions10.00 × 9.95 × 6.05 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
10.00 mm9.95 mm3.67 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631415591
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.7%

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: $3,799 NZD|Low: $464 NZD|High: $8,887 NZD|Avg: $2,564 NZD|-4.5%
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 4$1,282 NZD
Retailer 6$1,369 NZD
Retailer 11$1,544 NZD
Retailer 2$1,562 NZD
Retailer 7$1,816 NZD
Retailer 10$1,884 NZD
Retailer 5$1,940 NZD
Retailer 8$2,327 NZD
Retailer 3$3,021 NZD
The Diamond Guys$3,078 NZD
Retailer 1$3,799 NZD
Retailer 12$4,816 NZD
Retailer 9$8,887 NZD

57 data points across 13 retailers

2 retailers$2,327 NZD to $3,078 NZD

B+
Cheapest Retailer
-
$2,327 NZD
CA$1,819 CAD
Most Expensive
B
The Diamond Guys
1954434375 · Nov 1
$3,078 NZD
$1,732 USD
View
1 more retailer has this diamond
Prices start from $2,327 NZDSave up to $751 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+
3.67ct Round
$2,327 NZD