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Marquise|Lab Grown|IGI

3.05ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG850605397

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850605397

Diamond specifications and retailer prices

From $1,849 CAD
As of November 4, 2026
Save $2,777 CAD (60%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,626 CAD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG850605397 or 850605397. Listed at 3 retailers as of October 28, 2026, with prices from $1,849 to $4,626, a $2,777 spread on the same certified stone. Rare Carat lists it at $4,626. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.05
Carat
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850605397
Dimensions16.68 × 7.11 × 4.45 mm
L/W Ratio2.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.68 mm7.11 mm3.05 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850605397
Side View
Table 57.0%Crown 33.8°Girdle: MED-STKPavilion 40.3°CuletDepth 62.6%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $4,626 CAD|Low: $1,849 CAD|High: $4,626 CAD|Avg: $3,398 CAD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
November 4, 2026
Retailer 2$1,849 CAD
Retailer 4$2,630 CAD
Retailer 3$2,869 CAD
Rare Carat$4,626 CAD

4 data points across 4 retailers

3 retailers$1,849 CAD to $4,626 CAD

B+
Cheapest Retailer
-
$1,849 CAD
B
Retailer 2
-
$2,869 CAD
View
Most Expensive
B
Rare Carat
MSP-7_l_850605397 · Oct 28
$4,626 CAD
$3,310 USD
View
2 more retailers have this diamond
Prices start from $1,849 CADSave up to $2,777 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.

B+
3.05ct Marquise
$1,849 CAD