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Marquise|Lab Grown|IGI

6.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG717578690

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG717578690

Diamond specifications and retailer prices

From $4,020 NZD
CA$3,142 CAD
As of November 2, 2026
Save $1,781 NZD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,801 NZD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 6.09ct lab-grown marquise diamond

This 6.09ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG717578690 or 717578690. Listed at 2 retailers as of November 1, 2026, with prices from $4,020 to $5,801, a $1,781 spread on the same certified stone. The Diamond Guys lists it at $5,801. 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

6.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717578690
Dimensions18.97 × 9.44 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Top View
18.97 mm9.44 mm6.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717578690
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,046 NZD|Low: $1,454 NZD|High: $9,988 NZD|Avg: $4,501 NZD|-14.9%
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
The Diamond Guys
September 16, 2026
Retailer 8$1,454 NZD
Retailer 1$2,046 NZD
Retailer 5$2,066 NZD
Retailer 3$2,284 NZD
Retailer 2$2,316 NZD
Retailer 14$2,913 NZD
Retailer 7$3,347 NZD
Retailer 12$3,839 NZD
Retailer 13$4,020 NZD
Retailer 10$4,536 NZD
Retailer 6$4,875 NZD
The Diamond Guys$5,801 NZD
Retailer 4$7,663 NZD
Retailer 9$8,602 NZD
Retailer 11$9,504 NZD

56 data points across 15 retailers

2 retailers$4,020 NZD to $5,801 NZD

B+
Cheapest Retailer
-
$4,020 NZD
CA$3,142 CAD
Most Expensive
B
The Diamond Guys
1954435164 · Nov 1
$5,801 NZD
$3,264 USD
View
1 more retailer has this diamond
Prices start from $4,020 NZDSave up to $1,781 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.

B+
6.09ct Marquise
$4,020 NZD