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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 $1,306 USD
HK$10,200 HKD
As of November 1, 2026
Save $3,959 USD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,265 USD 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 $1,306 to $5,265, a $3,959 spread on the same certified stone. Rare Carat lists it at $5,265. 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
Color
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: $5,265 USD|Low: $1,280 USD|High: $5,290 USD|Avg: $2,824 USD|-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$1,306 USD
Retailer 9$1,516 USD
Retailer 2$1,709 USD
Retailer 10$1,775 USD
Retailer 6$1,880 USD
Retailer 11$2,536 USD
Retailer 5$3,781 USD
Retailer 3$3,860 USD
Retailer 7$4,076 USD
Retailer 4$4,397 USD
Rare Carat$5,265 USD

41 data points across 11 retailers

11 retailers$1,306 USD to $5,265 USD

A
Cheapest Retailer
-
$1,306 USD
HK$10,200 HKD
A
Retailer 2
-
$1,516 USD
View
A
Retailer 3
-
$1,709 USD
£1,346 GBP
View
B+
Retailer 4
-
$1,775 USD
View
A
Retailer 5
-
$1,880 USD
€1,790 EUR
View
B+
Retailer 6
-
$2,536 USD
View
B
Retailer 7
-
$3,781 USD
£2,977 GBP
View
B
Retailer 8
-
$3,860 USD
View
B
Retailer 9
-
$4,076 USD
View
B
Retailer 10
-
$4,397 USD
A$6,765 AUD
View
Most Expensive
B
Rare Carat
KI4556174KF837 · Oct 28
$5,265 USD
View
10 more retailers have this diamond
Prices start from $1,306 USDSave up to $3,959 USD

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
$1,306 USD