CaratHunter
Plans
Marquise|Lab Grown|IGI

5.09ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG818631869

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818631869

Diamond specifications and retailer prices

From $34,924 NZD
$19,683 USD
As of November 1, 2026
Save $48,106 NZD (58%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $83,029 NZD at Aida Diamonds · As of November 1, 2026
View at Aida Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818631869 or 818631869. Listed at 14 retailers as of November 1, 2026, with prices from $34,924 to $83,029, a $48,106 spread on the same certified stone. Aida Diamonds lists it at $83,029. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818631869
Dimensions17.11 × 8.95 × 5.74 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.11 mm8.95 mm5.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818631869
Side View
Table 62.0%Crown 36°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 64.1%

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: Nov 1
Current: $83,029 NZD|Low: $34,924 NZD|High: $113,063 NZD|Avg: $61,638 NZD|-0.2%
Aida Diamonds
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
November 1, 2026
Retailer 12$34,924 NZD
Retailer 5$36,944 NZD
Retailer 8$37,054 NZD
Retailer 3$39,141 NZD
Retailer 7$41,727 NZD
Retailer 10$43,508 NZD
Retailer 14$58,083 NZD
Retailer 2$62,233 NZD
Retailer 11$71,635 NZD
Retailer 13$72,920 NZD
Retailer 9$82,375 NZD
Aida Diamonds$83,029 NZD
Retailer 6$96,016 NZD
Retailer 4$113,063 NZD

17 data points across 14 retailers

14 retailers$34,924 NZD to $83,029 NZD

A
Cheapest Retailer
-
$34,924 NZD
$19,683 USD
A
Retailer 2
-
$36,944 NZD
$20,822 USD
View
A
Retailer 3
-
$37,054 NZD
$20,884 USD
View
A
Retailer 4
-
$39,141 NZD
$22,060 USD
View
Final sale: no returns
A
Retailer 5
-
$41,727 NZD
£18,518 GBP
View
A
Retailer 6
-
$43,508 NZD
£19,308 GBP
View
B+
Retailer 7
-
$58,083 NZD
£25,776 GBP
View
B+
Retailer 8
-
$62,233 NZD
£27,618 GBP
View
B+
Retailer 9
-
$71,635 NZD
€38,451 EUR
View
B+
Retailer 10
-
$72,920 NZD
$41,098 USD
View
B
Retailer 11
-
$82,375 NZD
ZAR 750,031 ZAR
View
Most Expensive
B
Aida Diamonds
497633456 · Nov 1
$83,029 NZD
A$71,993 AUD
View
11 more retailers have this diamond
Prices start from $34,924 NZDSave up to $48,106 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
$34,924 NZD