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Marquise|Lab Grown|IGI

3.09ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG754594706

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594706

Diamond specifications and retailer prices

From $8,185 NZD
$4,613 USD
As of October 31, 2026
Save $27,441 NZD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $35,626 NZD at With Clarity · As of October 31, 2026
View at With Clarity

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594706 or 754594706. Listed at 14 retailers as of October 31, 2026, with prices from $8,185 to $35,626, a $27,441 spread on the same certified stone. With Clarity lists it at $35,626. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594706
Dimensions14.73 × 7.56 × 4.77 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
14.73 mm7.56 mm3.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594706
Side View
Table 63.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.1%

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: Oct 31
Current: $18,561 NZD|Low: $8,185 NZD|High: $41,895 NZD|Avg: $19,010 NZD|-14.5%
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
With Clarity
November 1, 2026
Retailer 13$8,185 NZD
Retailer 11$8,385 NZD
Retailer 3$11,242 NZD
Retailer 6$11,619 NZD
Retailer 10$13,644 NZD
Retailer 2$13,795 NZD
Retailer 9$14,714 NZD
Retailer 7$16,253 NZD
Retailer 4$16,765 NZD
Retailer 1$18,561 NZD
Retailer 8$20,813 NZD
Retailer 12$24,123 NZD
Retailer 5$31,960 NZD
With Clarity$35,626 NZD

38 data points across 14 retailers

14 retailers$8,185 NZD to $35,626 NZD

A
Cheapest Retailer
-
$8,185 NZD
$4,613 USD
A
Retailer 2
-
$8,385 NZD
$4,726 USD
View
B+
Retailer 3
-
$11,242 NZD
HK$49,500 HKD
View
B+
Retailer 4
-
$11,619 NZD
£5,156 GBP
View
B+
Retailer 5
-
$13,644 NZD
$7,690 USD
View
B+
Retailer 6
-
$13,795 NZD
$7,775 USD
View
B+
Retailer 7
-
$14,714 NZD
€7,898 EUR
View
B+
Retailer 8
-
$16,253 NZD
$9,160 USD
View
B+
Retailer 9
-
$16,765 NZD
$9,449 USD
View
B+
Retailer 10
-
$18,561 NZD
£8,237 GBP
View
B+
Retailer 11
-
$20,813 NZD
ZAR 189,502 ZAR
View
Retailer 12
-
$24,123 NZD
$13,596 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$31,960 NZD
$18,013 USD
View
Most Expensive
B
With Clarity
754594706 · Oct 31
$35,626 NZD
$20,079 USD
View
13 more retailers have this diamond
Prices start from $8,185 NZDSave up to $27,441 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
$8,185 NZD