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Marquise|Lab Grown|IGI

3.09ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG846641022

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846641022

Diamond specifications and retailer prices

From $4,818 NZD
$2,711 USD
As of November 2, 2026
Save $14,670 NZD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $19,488 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846641022 or 846641022. Listed at 20 retailers as of October 31, 2026, with prices from $4,818 to $19,488, a $14,670 spread on the same certified stone. Taylor and Hart lists it at $19,488. 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

3.09
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846641022
Dimensions14.88 × 7.71 × 4.77 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.88 mm7.71 mm3.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846641022
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 39.7°Culet: NoneDepth 61.9%

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 2
Current: $7,551 NZD|Low: $4,818 NZD|High: $19,488 NZD|Avg: $9,322 NZD|-2.1%
Retailer 1
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
Taylor and Hart
November 2, 2026
Retailer 5$4,818 NZD
Retailer 18$5,243 NZD
Retailer 8$5,398 NZD
Retailer 3$5,590 NZD
Retailer 7$5,746 NZD
Retailer 17$5,874 NZD
Retailer 19$6,237 NZD
Retailer 4$6,686 NZD
Retailer 14$7,468 NZD
Retailer 1$7,551 NZD
Retailer 6$7,683 NZD
Retailer 9$8,700 NZD
Retailer 16$9,279 NZD
Retailer 11$9,643 NZD
Retailer 13$12,622 NZD
Retailer 15$12,981 NZD
Retailer 10$14,042 NZD
Retailer 12$14,967 NZD
Retailer 2$16,365 NZD
Taylor and Hart$19,488 NZD

18 data points across 20 retailers

20 retailers$4,818 NZD to $19,488 NZD

A
Cheapest Retailer
-
$4,818 NZD
$2,711 USD
A
Retailer 2
-
$5,243 NZD
$2,950 USD
View
A
Retailer 3
-
$5,398 NZD
$3,037 USD
View
Final sale: no returns
A
Retailer 4
-
$5,590 NZD
$3,145 USD
View
A
Retailer 5
-
$5,746 NZD
$3,233 USD
View
A
Retailer 6
-
$5,874 NZD
$3,305 USD
View
A
Retailer 7
-
$6,237 NZD
$3,509 USD
View
Retailer 8
-
$6,686 NZD
£2,962 GBP
View
Price last confirmed 16 days ago
A
Retailer 9
-
$7,468 NZD
$4,202 USD
View
A
Retailer 10
-
$7,551 NZD
£3,345 GBP
View
A
Retailer 11
-
$7,683 NZD
$4,323 USD
View
A
Retailer 12
-
$8,700 NZD
$4,895 USD
View
A
Retailer 13
-
$9,279 NZD
€4,972 EUR
View
A
Retailer 14
-
$9,643 NZD
£4,272 GBP
View
B+
Retailer 15
-
$12,622 NZD
A$10,926 AUD
View
B+
Retailer 16
-
$12,981 NZD
ZAR 117,993 ZAR
View
B+
Retailer 17
-
$14,042 NZD
$7,901 USD
View
B+
Retailer 18
-
$14,967 NZD
£6,631 GBP
View
B+
Retailer 19
-
$16,365 NZD
$9,208 USD
View
Most Expensive
B
Taylor and Hart
LF2D4NF · Oct 31
$19,488 NZD
$10,965 USD
View
19 more retailers have this diamond
Prices start from $4,818 NZDSave up to $14,670 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
3.09ct Marquise
$4,818 NZD