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Round|Lab Grown|IGI

3.67ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG621404017

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621404017

Diamond specifications and retailer prices

From $1,674 SGD
CA$1,819 CAD
As of October 30, 2026
Save $540 SGD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,214 SGD 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 LG621404017 or 621404017. Listed at 2 retailers as of October 30, 2026, with prices from $1,674 to $2,214, a $540 spread on the same certified stone. The Diamond Guys lists it at $2,214. 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 angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621404017
Dimensions10.08 × 10.00 × 6.01 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 mm10.00 mm3.67 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621404017
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

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: $1,396 SGD|Low: $334 SGD|High: $6,392 SGD|Avg: $1,707 SGD|-7.2%
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$910 SGD
Retailer 4$984 SGD
Retailer 8$1,111 SGD
Retailer 11$1,124 SGD
Retailer 5$1,307 SGD
Retailer 7$1,355 SGD
Retailer 1$1,396 SGD
Retailer 6$1,674 SGD
Retailer 2$2,141 SGD
The Diamond Guys$2,214 SGD
Retailer 9$3,464 SGD
Retailer 10$5,830 SGD

58 data points across 12 retailers

2 retailers$1,674 SGD to $2,214 SGD

B+
Cheapest Retailer
-
$1,674 SGD
CA$1,819 CAD
Most Expensive
B
The Diamond Guys
1954434376 · Nov 1
$2,214 SGD
$1,732 USD
View
1 more retailer has this diamond
Prices start from $1,674 SGDSave up to $540 SGD

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
$1,674 SGD