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Round|Lab Grown|IGI

3.62ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG626455912

Shape and cutting style on the report: Round brilliant

Certificate IGI LG626455912

Diamond specifications and retailer prices

From $1,248 USD
CA$1,733 CAD
As of October 30, 2026
Save $403 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,651 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.62ct lab-grown round diamond

This 3.62ct 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 LG626455912 or 626455912. Listed at 2 retailers as of October 30, 2026, with prices from $1,248 to $1,651, a $403 spread on the same certified stone. The Diamond Guys lists it at $1,651. 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

3.62
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626455912
Dimensions9.84 × 9.78 × 6.09 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
9.84 mm9.78 mm3.62 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626455912
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

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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: $1,064 USD|Low: $254 USD|High: $4,930 USD|Avg: $1,324 USD|-5.7%
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$685 USD
Retailer 7$762 USD
Retailer 10$854 USD
Retailer 12$856 USD
Retailer 5$994 USD
Retailer 9$1,031 USD
Retailer 1$1,064 USD
Retailer 8$1,248 USD
Retailer 3$1,630 USD
The Diamond Guys$1,651 USD
Retailer 2$2,239 USD
Retailer 11$2,630 USD
Retailer 6$4,930 USD

64 data points across 13 retailers

2 retailers$1,248 USD to $1,651 USD

B+
Cheapest Retailer
-
$1,248 USD
CA$1,733 CAD
Most Expensive
B
The Diamond Guys
1954434387 · Oct 30
$1,651 USD
View
1 more retailer has this diamond
Prices start from $1,248 USDSave up to $403 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+
3.62ct Round
$1,248 USD