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Cushion|Lab Grown|IGI

6.89ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG849625373

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG849625373

Diamond specifications and retailer prices

From $3,110 NZD
£1,378 GBP
As of November 3, 2026
Save $9,260 NZD (75%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $12,370 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6.89ct lab-grown cushion diamond

This 6.89ct lab-grown cushion 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 LG849625373 or 849625373. Listed at 2 retailers as of November 2, 2026, with prices from $3,110 to $12,370, a $9,260 spread on the same certified stone. Brilliant Earth lists it at $12,370. 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

6.89
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849625373
Dimensions13.59 × 9.78 × 6.60 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.59 mm9.78 mm6.89 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849625373
Side View
Table 62.0%Crown 34.5°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $12,370 NZD|Low: $3,100 NZD|High: $12,370 NZD|Avg: $5,424 NZD
Brilliant Earth
Retailer 2
November 3, 2026
Retailer 2$3,110 NZD
Brilliant Earth$12,370 NZD

6 data points across 2 retailers

2 retailers$3,110 NZD to $12,370 NZD

A
Cheapest Retailer
-
$3,110 NZD
£1,378 GBP
Most Expensive
B
Brilliant Earth
22428802A · Nov 2
$12,370 NZD
$6,960 USD
View
1 more retailer has this diamond
Prices start from $3,110 NZDSave up to $9,260 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.

A
6.89ct Cushion
$3,110 NZD