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Marquise|Lab Grown|IGI

3.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG836678012

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836678012

Diamond specifications and retailer prices

From $1,115 NZD
As of November 4, 2026
Save $5,378 NZD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,493 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836678012 or 836678012. Listed at 19 retailers as of November 3, 2026, with prices from $1,115 to $6,493, a $5,378 spread on the same certified stone. Brilliant Earth lists it at $6,493. 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
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836678012
Dimensions15.43 × 7.55 × 4.50 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.43 mm7.55 mm3.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836678012
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
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: Nov 4
Current: $6,493 NZD|Low: $838 NZD|High: $7,685 NZD|Avg: $2,390 NZD|-9.4%
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
November 5, 2026
Retailer 8$838 NZD
Retailer 7$939 NZD
Retailer 5$1,115 NZD
Retailer 2$1,155 NZD
Retailer 16$1,272 NZD
Retailer 4$1,565 NZD
Retailer 12$1,592 NZD
Retailer 9$1,670 NZD
Retailer 11$2,152 NZD
Retailer 13$2,211 NZD
Retailer 14$2,738 NZD
Retailer 15$3,227 NZD
Retailer 3$3,576 NZD
Retailer 10$3,732 NZD
Retailer 6$4,554 NZD
Brilliant Earth$6,493 NZD

31 data points across 16 retailers

19 retailers$1,115 NZD to $6,493 NZD

Retailer 1
-
$838 NZD
Price last confirmed 20 days ago
Retailer 2
-
$939 NZD
View
Price last confirmed 22 days ago
Retailer 3
-
$1,039 NZD
View
Price last confirmed 21 days ago
Retailer 4
-
$1,039 NZD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$1,115 NZD
View
A
Retailer 6
-
$1,155 NZD
View
A
Retailer 7
-
$1,272 NZD
View
Retailer 8
-
$1,565 NZD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$1,592 NZD
View
A
Retailer 10
-
$1,670 NZD
View
A
Retailer 11
-
$2,152 NZD
View
A
Retailer 12
-
$2,211 NZD
View
B+
Retailer 13
-
$2,738 NZD
View
B+
Retailer 14
-
$3,227 NZD
View
Retailer 15
-
$3,341 NZD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
$3,576 NZD
View
B+
Retailer 17
-
$3,732 NZD
View
Retailer 18
-
$4,554 NZD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21573143A · Nov 3
$6,493 NZD
$3,650 USD
View
18 more retailers have this diamond
Prices start from $1,115 NZDSave up to $5,378 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
$1,115 NZD