Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG843668517

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843668517

Diamond specifications and retailer prices

From $1,810 CAD
$1,296 USD
As of October 30, 2026
Save $6,089 CAD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $12,516 CAD at Brilliant Earth · As of October 30, 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 LG843668517 or 843668517. Listed at 22 retailers as of October 28, 2026, with a 336% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843668517
Dimensions17.42 × 8.87 × 5.61 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.42 mm8.87 mm5.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843668517
Side View
Table 60.0%Crown 38.2°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 63.2%

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 30
Current: $12,516 CAD|Low: $1,810 CAD|High: $12,516 CAD|Avg: $4,021 CAD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 6
Retailer 7
Retailer 8
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Retailer 11
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Retailer 17
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Retailer 22
October 30, 2026
Retailer 8$1,810 CAD
Retailer 19$1,970 CAD
Retailer 12$2,026 CAD
Retailer 4$2,100 CAD
Retailer 7$2,285 CAD
Retailer 21$2,340 CAD
Retailer 11$2,534 CAD
Retailer 15$2,755 CAD
Retailer 2$2,959 CAD
Retailer 16$3,494 CAD
Retailer 22$3,751 CAD
Retailer 20$3,913 CAD
Retailer 10$3,935 CAD
Retailer 18$4,251 CAD
Retailer 13$4,265 CAD
Retailer 14$5,067 CAD
Retailer 6$6,023 CAD
Retailer 5$6,246 CAD
Retailer 17$6,754 CAD
Retailer 9$7,371 CAD
Retailer 3$7,899 CAD
Brilliant Earth$12,516 CAD

16 data points across 22 retailers

22 retailers$1,810 CAD to $7,899 CAD

A
Cheapest Retailer
-
$1,810 CAD
$1,296 USD
A
Retailer 2
-
$1,970 CAD
$1,410 USD
View
A
Retailer 3
-
$2,026 CAD
$1,450 USD
View
Final sale: no returns
A
Retailer 4
-
$2,100 CAD
$1,503 USD
View
Retailer 5
-
$2,285 CAD
£1,288 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
$2,340 CAD
$1,675 USD
View
A
Retailer 7
-
$2,534 CAD
$1,814 USD
View
A
Retailer 8
-
$2,755 CAD
$1,972 USD
View
A
Retailer 9
-
$2,959 CAD
£1,668 GBP
View
B+
Retailer 10
-
$3,494 CAD
€2,382 EUR
View
B+
Retailer 11
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$3,751 CAD
$2,685 USD
View
B+
Retailer 12
-
$3,913 CAD
$2,801 USD
View
B+
Retailer 13
-
$3,935 CAD
$2,817 USD
View
Retailer 14
-
$4,251 CAD
A$4,682 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$4,265 CAD
ZAR 49,330 ZAR
View
B
Retailer 16
-
$5,067 CAD
£2,856 GBP
View
B
Retailer 17
-
$6,023 CAD
$4,312 USD
View
B
Retailer 18
-
$6,246 CAD
$4,472 USD
View
B
Retailer 19
-
$6,754 CAD
£3,807 GBP
View
B
Retailer 20
-
$7,371 CAD
$5,276 USD
View
B
Retailer 21
-
$7,899 CAD
$5,655 USD
View
Most Expensive
Brilliant Earth
22286823A · Oct 30
$12,516 CAD
$8,960 USD
View
Price under review
21 more retailers have this diamond
Prices start from $1,810 CADSave up to $6,089 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
$1,810 CAD