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 $2,299 NZD
$1,296 USD
As of October 30, 2026
Save $13,598 NZD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $15,898 NZD at Brilliant Earth · As of October 31, 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 23 retailers as of October 30, 2026, with prices from $2,299 to $15,898, a $13,598 spread on the same certified stone. Brilliant Earth lists it at $15,898. 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
Colour
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

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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: $15,898 NZD|Low: $2,299 NZD|High: $15,898 NZD|Avg: $5,228 NZD
Brilliant Earth
Retailer 2
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Retailer 17
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Retailer 23
November 2, 2026
Retailer 9$2,299 NZD
Retailer 22$2,502 NZD
Retailer 14$2,573 NZD
Retailer 5$2,667 NZD
Retailer 8$2,902 NZD
Retailer 23$2,972 NZD
Retailer 12$3,219 NZD
Retailer 16$3,499 NZD
Retailer 2$3,759 NZD
Retailer 20$4,438 NZD
Retailer 18$4,675 NZD
Retailer 3$4,764 NZD
Retailer 11$4,998 NZD
Retailer 13$5,404 NZD
Retailer 19$5,418 NZD
Retailer 15$6,436 NZD
Retailer 7$7,651 NZD
Retailer 6$7,934 NZD
Retailer 21$8,579 NZD
Retailer 17$8,944 NZD
Retailer 10$9,362 NZD
Retailer 4$10,034 NZD
Brilliant Earth$15,898 NZD

19 data points across 23 retailers

23 retailers$2,299 NZD to $15,898 NZD

A
Cheapest Retailer
-
$2,299 NZD
$1,296 USD
A
Retailer 2
-
$2,502 NZD
$1,410 USD
View
A
Retailer 3
-
$2,573 NZD
$1,450 USD
View
Final sale: no returns
A
Retailer 4
-
$2,667 NZD
$1,503 USD
View
Retailer 5
-
$2,902 NZD
£1,288 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
$2,972 NZD
$1,675 USD
View
A
Retailer 7
-
$3,219 NZD
$1,814 USD
View
A
Retailer 8
-
$3,499 NZD
$1,972 USD
View
A
Retailer 9
-
$3,759 NZD
£1,668 GBP
View
B+
Retailer 10
-
$4,438 NZD
€2,382 EUR
View
B+
Retailer 11
-
$4,675 NZD
$2,635 USD
View
B+
Retailer 12
-
$4,764 NZD
$2,685 USD
View
B+
Retailer 13
-
$4,998 NZD
$2,817 USD
View
B+
Retailer 14
-
$5,404 NZD
A$4,686 AUD
View
B+
Retailer 15
-
$5,418 NZD
ZAR 49,330 ZAR
View
B
Retailer 16
-
$6,436 NZD
£2,856 GBP
View
B
Retailer 17
-
$7,651 NZD
$4,312 USD
View
B
Retailer 18
-
$7,934 NZD
$4,472 USD
View
B
Retailer 19
-
$8,579 NZD
£3,807 GBP
View
B
Retailer 20
-
$8,944 NZD
A$7,755 AUD
View
B
Retailer 21
-
$9,362 NZD
$5,276 USD
View
B
Retailer 22
-
$10,034 NZD
$5,655 USD
View
Most Expensive
B
Brilliant Earth
22286823A · Oct 31
$15,898 NZD
$8,960 USD
View
22 more retailers have this diamond
Prices start from $2,299 NZDSave up to $13,598 NZD

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
$2,299 NZD