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Marquise|Lab Grown|IGI

6.11ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG712578558

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG712578558

Diamond specifications and retailer prices

From $2,303 USD
CA$3,199 CAD
As of November 2, 2026
Save $1,021 USD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,324 USD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 6.11ct lab-grown marquise diamond

This 6.11ct 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 LG712578558 or 712578558. Listed at 2 retailers as of November 1, 2026, with prices from $2,303 to $3,324, a $1,021 spread on the same certified stone. The Diamond Guys lists it at $3,324. 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

6.11
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712578558
Dimensions18.52 × 9.42 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
Top View
18.52 mm9.42 mm6.11 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712578558
Side View
Table 62.0%Crown 36.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: $2,474 USD|Low: $500 USD|High: $12,570 USD|Avg: $2,965 USD|+0.2%
Retailer 1
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Retailer 17
The Diamond Guys
August 3, 2026
Retailer 7$500 USD
Retailer 9$1,092 USD
Retailer 6$1,166 USD
Retailer 10$1,225 USD
Retailer 15$1,319 USD
Retailer 3$1,325 USD
Retailer 17$1,536 USD
Retailer 14$1,667 USD
Retailer 12$2,303 USD
Retailer 11$2,344 USD
Retailer 1$2,474 USD
Retailer 13$2,605 USD
Retailer 5$2,715 USD
The Diamond Guys$3,324 USD
Retailer 4$4,326 USD
Retailer 16$5,000 USD
Retailer 2$5,744 USD
Retailer 8$12,570 USD

54 data points across 18 retailers

2 retailers$2,303 USD to $3,324 USD

B+
Cheapest Retailer
-
$2,303 USD
CA$3,199 CAD
Most Expensive
B
The Diamond Guys
1954435163 · Nov 1
$3,324 USD
View
1 more retailer has this diamond
Prices start from $2,303 USDSave up to $1,021 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.

B+
6.11ct Marquise
$2,303 USD