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Cushion|Lab Grown|IGI

6.29ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG848631807

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG848631807

Diamond specifications and retailer prices

From $3,220 AUD
£1,781 GBP
As of October 31, 2026
Save $8,055 AUD (71%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $11,275 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 6.29ct lab-grown cushion diamond

This 6.29ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG848631807 or 848631807. Listed at 2 retailers as of October 30, 2026, with prices from $3,220 to $11,275, a $8,055 spread on the same certified stone. Brilliant Earth lists it at $11,275. 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

6.29
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848631807
Dimensions12.43 × 9.71 × 6.55 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.43 mm9.71 mm6.29 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848631807
Side View
Table 58.0%Crown 35.9°Girdle: MED-STKPavilion 35.4°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: Oct 31
Current: $11,275 AUD|Low: $3,200 AUD|High: $21,283 AUD|Avg: $10,247 AUD|-47.0%
Brilliant Earth
Retailer 2
October 31, 2026
Retailer 2$3,220 AUD
Brilliant Earth$11,275 AUD

5 data points across 2 retailers

2 retailers$3,220 AUD to $11,275 AUD

A
Cheapest Retailer
-
$3,220 AUD
£1,781 GBP
Most Expensive
B
Brilliant Earth
22321212A · Oct 30
$11,275 AUD
$7,920 USD
View
1 more retailer has this diamond
Prices start from $3,220 AUDSave up to $8,055 AUD

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
6.29ct Cushion
$3,220 AUD