CaratHunter
Plans
Round|Lab Grown|IGI

3.09ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG645405575

Certificate IGI LG645405575

Diamond specifications and retailer prices

From $1,346 USD
CA$1,869 CAD
Save $434 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,780 USD at The Diamond Guys
View at The Diamond Guys

About this 3.09ct lab-grown round diamond

This 3.09ct 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 LG645405575 or 645405575. Listed at 2 retailers, with prices from $1,346 to $1,780 at The Diamond Guys, a $434 spread on the same certified stone. 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

3.09
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645405575
Dimensions9.44 × 9.44 × 5.65 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
9.44 mm9.44 mm3.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645405575
Side View
Table 59.0%Crown 33.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: 5 hours ago
Current: $2,870 USD|Low: $267 USD|High: $4,300 USD|Avg: $1,475 USD|-33.3%
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

53 data points across 12 retailers

2 retailers$1,346 USD - $1,780 USD

B+
Cheapest Retailer
-
$1,346 USD
CA$1,869 CAD
View
Most Expensive
B
The Diamond Guys
1951064791 · Sep 15
$1,780 USD
View
1 more retailer has this diamond
Prices start from $1,346 USDSave up to $434 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.

B+
3.09ct Round
$1,346 USD

Similar diamonds

Comparable stones with the same shape, color and clarity.