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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 $1,863 AUD
HK$10,200 HKD
As of November 1, 2026
Save $5,650 AUD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,513 AUD 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 $1,863 to $7,513, a $5,650 spread on the same certified stone. Rare Carat lists it at $7,513. 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: $7,513 AUD|Low: $1,826 AUD|High: $7,548 AUD|Avg: $4,029 AUD|-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$1,863 AUD
Retailer 9$2,163 AUD
Retailer 2$2,439 AUD
Retailer 10$2,533 AUD
Retailer 6$2,682 AUD
Retailer 11$3,619 AUD
Retailer 5$5,395 AUD
Retailer 3$5,507 AUD
Retailer 7$5,816 AUD
Retailer 4$6,274 AUD
Rare Carat$7,513 AUD

41 data points across 11 retailers

11 retailers$1,863 AUD to $7,513 AUD

A
Cheapest Retailer
-
$1,863 AUD
HK$10,200 HKD
A
Retailer 2
-
$2,163 AUD
$1,516 USD
View
A
Retailer 3
-
$2,439 AUD
£1,346 GBP
View
B+
Retailer 4
-
$2,533 AUD
$1,775 USD
View
A
Retailer 5
-
$2,682 AUD
€1,790 EUR
View
B+
Retailer 6
-
$3,619 AUD
$2,536 USD
View
B
Retailer 7
-
$5,395 AUD
£2,977 GBP
View
B
Retailer 8
-
$5,507 AUD
$3,860 USD
View
B
Retailer 9
-
$5,816 AUD
$4,076 USD
View
B
Retailer 10
-
$6,274 AUD
View
Most Expensive
B
Rare Carat
KI4556174KF837 · Oct 28
$7,513 AUD
$5,265 USD
View
10 more retailers have this diamond
Prices start from $1,863 AUDSave up to $5,650 AUD

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
$1,863 AUD