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3.79ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG626421285

Shape and cutting style on the report: Round brilliant

Certificate IGI LG626421285

Diamond specifications and retailer prices

From $2,404 NZD
CA$1,879 CAD
As of November 2, 2026
Save $775 NZD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,180 NZD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.79ct lab-grown round diamond

This 3.79ct 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 LG626421285 or 626421285. Listed at 2 retailers as of November 1, 2026, with prices from $2,404 to $3,180, a $775 spread on the same certified stone. The Diamond Guys lists it at $3,180. 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

3.79
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626421285
Dimensions10.12 × 10.08 × 6.08 mm
L/W Ratio1.00
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
10.12 mm10.08 mm3.79 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626421285
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: $3,901 NZD|Low: $478 NZD|High: $9,189 NZD|Avg: $2,699 NZD|-4.4%
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$1,301 NZD
Retailer 7$1,413 NZD
Retailer 10$1,580 NZD
Retailer 12$1,607 NZD
Retailer 9$1,861 NZD
Retailer 6$1,928 NZD
Retailer 5$1,986 NZD
Retailer 8$2,404 NZD
Retailer 3$3,075 NZD
The Diamond Guys$3,180 NZD
Retailer 1$3,901 NZD
Retailer 11$4,959 NZD
Retailer 2$9,189 NZD

61 data points across 13 retailers

2 retailers$2,404 NZD to $3,180 NZD

B+
Cheapest Retailer
-
$2,404 NZD
CA$1,879 CAD
Most Expensive
B
The Diamond Guys
1954434356 · Nov 1
$3,180 NZD
$1,789 USD
View
1 more retailer has this diamond
Prices start from $2,404 NZDSave up to $775 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+
3.79ct Round
$2,404 NZD