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Round|Lab Grown|IGI

3.69ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG628425160

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628425160

Diamond specifications and retailer prices

From $1,316 USD
CA$1,828 CAD
As of October 30, 2026
Save $426 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,742 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.69ct lab-grown round diamond

This 3.69ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG628425160 or 628425160. Listed at 2 retailers as of October 30, 2026, with prices from $1,316 to $1,742, a $426 spread on the same certified stone. The Diamond Guys lists it at $1,742. 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

3.69
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628425160
Dimensions9.85 × 9.82 × 6.12 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
9.85 mm9.82 mm3.69 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628425160
Side View
Table 57.0%Crown 35.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.2%

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: $727 USD|Low: $267 USD|High: $3,180 USD|Avg: $1,331 USD|-13.5%
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
September 16, 2026
Retailer 6$468 USD
Retailer 3$725 USD
Retailer 1$727 USD
Retailer 11$900 USD
Retailer 5$901 USD
Retailer 4$1,253 USD
Retailer 7$1,316 USD
Retailer 9$1,530 USD
Retailer 12$1,735 USD
The Diamond Guys$1,742 USD
Retailer 10$2,249 USD
Retailer 8$2,740 USD
Retailer 2$3,080 USD

65 data points across 13 retailers

2 retailers$1,316 USD to $1,742 USD

B+
Cheapest Retailer
-
$1,316 USD
CA$1,828 CAD
Most Expensive
B
The Diamond Guys
1954434266 · Oct 30
$1,742 USD
View
1 more retailer has this diamond
Prices start from $1,316 USDSave up to $426 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+
3.69ct Round
$1,316 USD