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Round|Lab Grown|IGI

2.99ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG633491099

Shape and cutting style on the report: Round brilliant

Certificate IGI LG633491099

Diamond specifications and retailer prices

From $1,230 USD
CA$1,708 CAD
As of October 30, 2026
Save $397 USD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,627 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 2.99ct lab-grown round diamond

This 2.99ct 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 LG633491099 or 633491099. Listed at 3 retailers as of October 30, 2026, with prices from $1,230 to $1,627, a $397 spread on the same certified stone. The Diamond Guys lists it at $1,627. 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

2.99
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633491099
Dimensions9.36 × 9.28 × 5.73 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
9.36 mm9.28 mm2.99 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633491099
Side View
Table 57.0%Crown 33.6°Girdle: MediumPavilion 41.6°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $347 USD|Low: $247 USD|High: $2,770 USD|Avg: $1,108 USD|+5.2%
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$310 USD
Retailer 1$347 USD
Retailer 9$385 USD
Retailer 14$390 USD
Retailer 15$577 USD
Retailer 12$601 USD
Retailer 10$653 USD
Retailer 11$678 USD
Retailer 13$1,013 USD
Retailer 2$1,044 USD
Retailer 3$1,133 USD
Retailer 6$1,230 USD
The Diamond Guys$1,627 USD
Retailer 5$1,877 USD
Retailer 7$2,630 USD
Retailer 4$2,770 USD

5 data points across 16 retailers

3 retailers$1,230 USD to $1,627 USD

Retailer 1
-
$310 USD
Price last confirmed 42 days ago
B+
Retailer 2
-
$1,230 USD
CA$1,708 CAD
View
Most Expensive
B
The Diamond Guys
1954434289 · Oct 30
$1,627 USD
View
2 more retailers have this diamond
Prices start from $1,230 USDSave up to $397 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+
2.99ct Round
$1,230 USD