Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG830631326

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830631326

Diamond specifications and retailer prices

From $2,422 NZD
$1,365 USD
As of October 27, 2026
Save $14,097 NZD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $16,519 NZD 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 LG830631326 or 830631326. Listed at 22 retailers as of October 27, 2026, with prices from $2,422 to $16,519, a $14,097 spread on the same certified stone. Brilliant Earth lists it at $16,519. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830631326
Dimensions16.29 × 8.13 × 5.18 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.29 mm8.13 mm5.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830631326
Side View
Table 59.0%Crown 35.7°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 63.1%

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 27
Current: $16,519 NZD|Low: $2,422 NZD|High: $21,416 NZD|Avg: $5,925 NZD|-22.9%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 20$2,422 NZD
Retailer 3$2,635 NZD
Retailer 9$2,709 NZD
Retailer 12$2,809 NZD
Retailer 22$2,809 NZD
Retailer 2$3,051 NZD
Retailer 6$3,114 NZD
Retailer 5$3,483 NZD
Retailer 13$3,950 NZD
Retailer 10$4,439 NZD
Retailer 7$4,805 NZD
Retailer 16$4,922 NZD
Retailer 4$5,236 NZD
Retailer 21$5,264 NZD
Retailer 18$5,654 NZD
Retailer 19$5,688 NZD
Retailer 8$6,787 NZD
Retailer 14$7,571 NZD
Retailer 11$8,307 NZD
Retailer 17$9,036 NZD
Retailer 15$9,873 NZD
Brilliant Earth$16,519 NZD

24 data points across 22 retailers

22 retailers$2,422 NZD to $16,519 NZD

A
Cheapest Retailer
-
$2,422 NZD
$1,365 USD
A
Retailer 2
-
$2,635 NZD
$1,485 USD
View
A
Retailer 3
-
$2,709 NZD
$1,527 USD
View
Final sale: no returns
Retailer 4
-
$2,809 NZD
$1,583 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$2,809 NZD
$1,583 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$3,051 NZD
£1,354 GBP
View
A
Retailer 7
-
$3,114 NZD
$1,755 USD
View
A
Retailer 8
-
$3,483 NZD
$1,963 USD
View
B+
Retailer 9
-
$3,950 NZD
£1,753 GBP
View
B+
Retailer 10
-
$4,439 NZD
$2,502 USD
View
B+
Retailer 11
-
$4,805 NZD
$2,708 USD
View
B+
Retailer 12
-
$4,922 NZD
€2,642 EUR
View
B+
Retailer 13
-
$5,236 NZD
$2,951 USD
View
B+
Retailer 14
-
$5,264 NZD
$2,967 USD
View
Retailer 15
-
$5,654 NZD
ZAR 51,479 ZAR
View
Price last confirmed 8 days ago
Retailer 16
-
$5,688 NZD
A$4,932 AUD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
$6,787 NZD
£3,012 GBP
View
B+
Retailer 18
-
$7,571 NZD
$4,267 USD
View
B
Retailer 19
-
$8,307 NZD
$4,682 USD
View
B
Retailer 20
-
$9,036 NZD
£4,010 GBP
View
B
Retailer 21
-
$9,873 NZD
$5,565 USD
View
Most Expensive
B
Brilliant Earth
21689739A · Oct 30
$16,519 NZD
$9,310 USD
View
21 more retailers have this diamond
Prices start from $2,422 NZDSave up to $14,097 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
$2,422 NZD