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Round|Lab Grown|IGI

3.68ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG635497102

Shape and cutting style on the report: Round brilliant

Certificate IGI LG635497102

Diamond specifications and retailer prices

From $1,336 USD
CA$1,855 CAD
As of October 30, 2026
Save $430 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,766 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.68ct lab-grown round diamond

This 3.68ct 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 LG635497102 or 635497102. Listed at 2 retailers as of October 30, 2026, with prices from $1,336 to $1,766, a $430 spread on the same certified stone. The Diamond Guys lists it at $1,766. 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

3.68
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635497102
Dimensions9.92 × 9.89 × 6.06 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
9.92 mm9.89 mm3.68 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635497102
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.2%

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: $2,138 USD|Low: $266 USD|High: $3,220 USD|Avg: $1,270 USD|-4.5%
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$722 USD
Retailer 5$781 USD
Retailer 9$879 USD
Retailer 11$894 USD
Retailer 6$1,028 USD
Retailer 8$1,080 USD
Retailer 4$1,103 USD
Retailer 7$1,336 USD
Retailer 2$1,705 USD
The Diamond Guys$1,766 USD
Retailer 1$2,138 USD
Retailer 10$2,760 USD

60 data points across 12 retailers

2 retailers$1,336 USD to $1,766 USD

B+
Cheapest Retailer
-
$1,336 USD
CA$1,855 CAD
Most Expensive
B
The Diamond Guys
1954434373 · Oct 30
$1,766 USD
View
1 more retailer has this diamond
Prices start from $1,336 USDSave up to $430 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+
3.68ct Round
$1,336 USD