Marquise|Lab Grown|IGI

6.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG837617455

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837617455

Diamond specifications and retailer prices

From $2,320 NZD
HK$10,200 HKD
As of November 1, 2026
Save $7,037 NZD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,357 NZD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG837617455 or 837617455. Listed at 11 retailers as of October 28, 2026, with prices from $2,320 to $9,357, a $7,037 spread on the same certified stone. Rare Carat lists it at $9,357. 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 angle35.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837617455
Dimensions18.59 × 9.32 × 6.00 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.59 mm9.32 mm6.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837617455
Side View
Table 58.0%Crown 35.9°Girdle: STK-THKPavilion 40°Culet: NoneDepth 64.4%

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: $9,357 NZD|Low: $2,275 NZD|High: $9,402 NZD|Avg: $5,018 NZD|-0.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8$2,320 NZD
Retailer 9$2,694 NZD
Retailer 2$3,038 NZD
Retailer 10$3,155 NZD
Retailer 6$3,340 NZD
Retailer 11$4,507 NZD
Retailer 5$6,720 NZD
Retailer 3$6,860 NZD
Retailer 7$7,244 NZD
Retailer 4$7,815 NZD
Rare Carat$9,357 NZD

41 data points across 11 retailers

11 retailers$2,320 NZD to $9,357 NZD

A
Cheapest Retailer
-
$2,320 NZD
HK$10,200 HKD
A
Retailer 2
-
$2,694 NZD
$1,516 USD
View
A
Retailer 3
-
$3,038 NZD
£1,346 GBP
View
B+
Retailer 4
-
$3,155 NZD
$1,775 USD
View
A
Retailer 5
-
$3,340 NZD
€1,790 EUR
View
B+
Retailer 6
-
$4,507 NZD
$2,536 USD
View
B
Retailer 7
-
$6,720 NZD
£2,977 GBP
View
B
Retailer 8
-
$6,860 NZD
$3,860 USD
View
B
Retailer 9
-
$7,244 NZD
$4,076 USD
View
B
Retailer 10
-
$7,815 NZD
A$6,765 AUD
View
Most Expensive
B
Rare Carat
KI4556174KF837 · Oct 28
$9,357 NZD
$5,265 USD
View
10 more retailers have this diamond
Prices start from $2,320 NZDSave up to $7,037 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
6.09ct Marquise
$2,320 NZD