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Round|Lab Grown|IGI

3.05ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG575377641

Shape and cutting style on the report: Round brilliant

Certificate IGI LG575377641

Diamond specifications and retailer prices

From $620 CAD
$444 USD
As of October 29, 2026
Save $4,297 CAD (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,917 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG575377641 or 575377641. Listed at 14 retailers as of October 29, 2026, with prices from $620 to $4,917, a $4,297 spread on the same certified stone. Do Amore Diamonds lists it at $4,917. 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

3.05
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575377641
Dimensions9.39 × 9.37 × 5.60 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
9.39 mm9.37 mm3.05 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575377641
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,917 CAD|Low: $620 CAD|High: $4,917 CAD|Avg: $1,683 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 10$620 CAD
Retailer 3$708 CAD
Retailer 8$911 CAD
Retailer 5$915 CAD
Retailer 9$1,084 CAD
Retailer 2$1,245 CAD
Retailer 7$1,926 CAD
Retailer 6$2,312 CAD
Retailer 11$2,648 CAD
Retailer 4$2,799 CAD
Do Amore Diamonds$4,917 CAD

40 data points across 11 retailers

14 retailers$620 CAD to $4,917 CAD

Retailer 1
-
$555 CAD
$397 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$620 CAD
$444 USD
View
Final sale: no returns
Retailer 3
-
$687 CAD
$492 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$700 CAD
$501 USD
View
Price last confirmed 41 days ago
B+
Retailer 5
-
$911 CAD
$652 USD
View
A
Retailer 6
-
$915 CAD
$655 USD
View
A
Retailer 7
-
$1,084 CAD
$776 USD
View
A
Retailer 8
-
$1,245 CAD
£702 GBP
View
B
Retailer 9
-
$1,926 CAD
$1,379 USD
View
Retailer 10
-
$2,312 CAD
$1,655 USD
View
Price last confirmed 13 days ago
Retailer 11
-
$2,514 CAD
$1,800 USD
View
Price last confirmed 40 days ago
B
Retailer 12
-
$2,648 CAD
$1,895 USD
View
B
Retailer 13
-
$2,799 CAD
£1,578 GBP
View
Most Expensive
B
Do Amore Diamonds
27-9B069C256 · Oct 29
$4,917 CAD
$3,520 USD
View
13 more retailers have this diamond
Prices start from $620 CADSave up to $4,297 CAD

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.

A
3.05ct Round
$620 CAD