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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 $4,094 NZD
CA$3,199 CAD
As of November 2, 2026
Save $1,814 NZD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,908 NZD 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 $4,094 to $5,908, a $1,814 spread on the same certified stone. The Diamond Guys lists it at $5,908. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,397 NZD|Low: $888 NZD|High: $22,341 NZD|Avg: $5,269 NZD|+0.2%
Retailer 1
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Retailer 17
The Diamond Guys
August 3, 2026
Retailer 7$888 NZD
Retailer 9$1,941 NZD
Retailer 6$2,071 NZD
Retailer 10$2,177 NZD
Retailer 15$2,344 NZD
Retailer 3$2,355 NZD
Retailer 17$2,730 NZD
Retailer 14$2,963 NZD
Retailer 12$4,094 NZD
Retailer 11$4,166 NZD
Retailer 1$4,397 NZD
Retailer 13$4,630 NZD
Retailer 5$4,825 NZD
The Diamond Guys$5,908 NZD
Retailer 4$7,688 NZD
Retailer 16$8,887 NZD
Retailer 2$10,209 NZD
Retailer 8$22,341 NZD

54 data points across 18 retailers

2 retailers$4,094 NZD to $5,908 NZD

B+
Cheapest Retailer
-
$4,094 NZD
CA$3,199 CAD
Most Expensive
B
The Diamond Guys
1954435163 · Nov 1
$5,908 NZD
$3,324 USD
View
1 more retailer has this diamond
Prices start from $4,094 NZDSave up to $1,814 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.

B+
6.11ct Marquise
$4,094 NZD