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Marquise|Lab Grown|IGI

3.05ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG845601708

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845601708

Diamond specifications and retailer prices

From $1,158 CAD
$829 USD
As of October 30, 2026
Save $3,905 CAD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,504 CAD at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845601708 or 845601708. Listed at 13 retailers as of October 29, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845601708
Dimensions15.45 × 7.38 × 4.74 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.45 mm7.38 mm3.05 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845601708
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 64.2%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $5,504 CAD|Low: $1,158 CAD|High: $5,504 CAD|Avg: $3,132 CAD
Brilliant Earth
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
October 31, 2026
Retailer 15$1,158 CAD
Retailer 10$1,260 CAD
Retailer 9$1,556 CAD
Retailer 13$1,755 CAD
Retailer 14$1,808 CAD
Retailer 4$2,162 CAD
Retailer 8$2,165 CAD
Retailer 6$2,176 CAD
Retailer 2$3,034 CAD
Retailer 11$3,089 CAD
Retailer 3$3,777 CAD
Retailer 7$4,517 CAD
Retailer 5$4,817 CAD
Retailer 12$5,063 CAD
Brilliant Earth$5,504 CAD

10 data points across 15 retailers

13 retailers$1,158 CAD to $5,063 CAD

A
Cheapest Retailer
-
$1,158 CAD
$829 USD
A
Retailer 2
-
$1,260 CAD
$902 USD
View
A
Retailer 3
-
$1,556 CAD
HK$8,700 HKD
View
A
Retailer 4
-
$1,755 CAD
$1,256 USD
View
Retailer 5
-
$1,808 CAD
£1,019 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$2,162 CAD
$1,548 USD
View
B+
Retailer 7
-
$2,165 CAD
$1,550 USD
View
B+
Retailer 8
-
$3,034 CAD
A$3,341 AUD
View
B+
Retailer 9
-
$3,089 CAD
$2,211 USD
View
B
Retailer 10
-
$3,777 CAD
$2,704 USD
View
B
Retailer 11
-
$4,517 CAD
SGD 4,370 SGD
View
B
Retailer 12
-
$5,063 CAD
£2,854 GBP
View
Most Expensive
Brilliant Earth
21783662A · Oct 14
$5,504 CAD
$3,940 USD
View
Price last confirmed 17 days ago
12 more retailers have this diamond
Prices start from $1,158 CADSave up to $3,905 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 Marquise
$1,158 CAD