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Round|Lab Grown|IGI

2.86ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG643450045

Shape and cutting style on the report: Round brilliant

Certificate IGI LG643450045

Diamond specifications and retailer prices

From $1,142 USD
CA$1,586 CAD
As of October 30, 2026
Save $368 USD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,510 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 2.86ct lab-grown round diamond

This 2.86ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG643450045 or 643450045. Listed at 3 retailers as of October 30, 2026, with prices from $1,142 to $1,510, a $368 spread on the same certified stone. The Diamond Guys lists it at $1,510. 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

2.86
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643450045
Dimensions9.13 × 9.13 × 5.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.13 mm9.13 mm2.86 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643450045
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.1%

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: $319 USD|Low: $228 USD|High: $2,530 USD|Avg: $1,038 USD|+6.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
The Diamond Guys
October 4, 2026
Retailer 8$286 USD
Retailer 1$319 USD
Retailer 9$355 USD
Retailer 15$360 USD
Retailer 12$532 USD
Retailer 13$559 USD
Retailer 10$595 USD
Retailer 11$647 USD
Retailer 14$929 USD
Retailer 2$1,004 USD
Retailer 3$1,014 USD
Retailer 5$1,142 USD
The Diamond Guys$1,510 USD
Retailer 6$1,803 USD
Retailer 7$2,390 USD
Retailer 4$2,530 USD

6 data points across 16 retailers

3 retailers$1,142 USD to $1,510 USD

Retailer 1
-
$286 USD
Price last confirmed 42 days ago
B+
Retailer 2
-
$1,142 USD
CA$1,586 CAD
View
Most Expensive
B
The Diamond Guys
1954434304 · Oct 30
$1,510 USD
View
2 more retailers have this diamond
Prices start from $1,142 USDSave up to $368 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+
2.86ct Round
$1,142 USD