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Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG845618761

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845618761

Diamond specifications and retailer prices

From $1,960 CAD
$1,403 USD
As of October 29, 2026
Save $4,849 CAD (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $16,805 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845618761 or 845618761. Listed at 16 retailers as of October 29, 2026, with a 247% 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

5.09
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845618761
Dimensions17.04 × 9.04 × 5.76 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.04 mm9.04 mm5.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845618761
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.7%

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: $16,805 CAD|Low: $1,960 CAD|High: $16,805 CAD|Avg: $4,362 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
Retailer 16
October 29, 2026
Retailer 3$1,960 CAD
Retailer 10$1,984 CAD
Retailer 13$2,047 CAD
Retailer 4$2,689 CAD
Retailer 9$2,718 CAD
Retailer 7$3,214 CAD
Retailer 16$3,688 CAD
Retailer 8$3,788 CAD
Retailer 11$3,819 CAD
Retailer 2$5,194 CAD
Retailer 14$5,199 CAD
Retailer 5$5,670 CAD
Retailer 12$6,071 CAD
Retailer 6$6,581 CAD
Retailer 15$6,808 CAD
Brilliant Earth$16,805 CAD

9 data points across 16 retailers

16 retailers$1,960 CAD to $6,808 CAD

A
Cheapest Retailer
-
$1,960 CAD
$1,403 USD
Final sale: no returns
A
Retailer 2
-
$1,984 CAD
$1,420 USD
View
A
Retailer 3
-
$2,047 CAD
£1,154 GBP
View
A
Retailer 4
-
$2,689 CAD
$1,925 USD
View
A
Retailer 5
-
$2,718 CAD
£1,532 GBP
View
B+
Retailer 6
-
$3,214 CAD
€2,191 EUR
View
B+
Retailer 7
-
$3,688 CAD
$2,640 USD
View
B+
Retailer 8
-
$3,788 CAD
$2,712 USD
View
B+
Retailer 9
-
$3,819 CAD
ZAR 44,166 ZAR
View
B
Retailer 10
-
$5,194 CAD
£2,928 GBP
View
B+
Retailer 11
-
$5,199 CAD
$3,722 USD
View
B
Retailer 12
-
$5,670 CAD
$4,059 USD
View
B
Retailer 13
-
$6,071 CAD
£3,422 GBP
View
B
Retailer 14
-
$6,581 CAD
$4,711 USD
View
B
Retailer 15
-
$6,808 CAD
$4,874 USD
View
Most Expensive
Brilliant Earth
22340237A · Oct 28
$16,805 CAD
$12,030 USD
View
Price under review
15 more retailers have this diamond
Prices start from $1,960 CADSave up to $4,849 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
5.09ct Marquise
$1,960 CAD