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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 HK$17,747 HKD
CA$3,142 CAD
As of November 2, 2026
Save HK$7,862 HKD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$25,610 HKD at The Diamond Guys · As of November 3, 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 2, 2026, with prices from HK$17,747 to HK$25,610, a HK$7,862 spread on the same certified stone. The Diamond Guys lists it at HK$25,610. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$9,031 HKD|Low: HK$6,418 HKD|High: HK$44,095 HKD|Avg: HK$19,869 HKD|-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 8HK$6,418 HKD
Retailer 1HK$9,031 HKD
Retailer 5HK$9,120 HKD
Retailer 3HK$10,082 HKD
Retailer 2HK$10,223 HKD
Retailer 14HK$12,860 HKD
Retailer 7HK$14,774 HKD
Retailer 12HK$16,947 HKD
Retailer 13HK$17,747 HKD
Retailer 10HK$20,026 HKD
Retailer 6HK$21,522 HKD
The Diamond GuysHK$25,610 HKD
Retailer 4HK$33,828 HKD
Retailer 9HK$37,975 HKD
Retailer 11HK$41,958 HKD

56 data points across 15 retailers

2 retailersHK$17,747 HKD to HK$25,610 HKD

B+
Cheapest Retailer
-
HK$17,747 HKD
CA$3,142 CAD
Most Expensive
B
The Diamond Guys
1954435164 · Nov 3
HK$25,610 HKD
$3,264 USD
View
1 more retailer has this diamond
Prices start from HK$17,747 HKDSave up to HK$7,862 HKD

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
HK$17,747 HKD