CaratHunter
Plans
Cushion|Lab Grown|IGI

4.90ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG826616191

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG826616191

Diamond specifications and retailer prices

From $1,495 AUD
$1,050 USD
As of October 30, 2026
Save $528 AUD (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,686 AUD at Brilliance · As of October 5, 2026
View at Brilliance

About this 4.9ct lab-grown cushion diamond

This 4.9ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826616191 or 826616191. Listed at 3 retailers as of October 30, 2026, with a 35% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.90
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826616191
Dimensions10.00 × 9.77 × 6.59 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.00 mm9.77 mm4.90 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826616191
Side View
Table 61.0%Crown 35.3°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 67.5%

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: Oct 30
Current: $4,686 AUD|Low: $1,495 AUD|High: $5,306 AUD|Avg: $3,379 AUD|-11.7%
Brilliance
Retailer 2
Retailer 3
October 30, 2026
Retailer 2$1,495 AUD
Retailer 3$2,023 AUD
Brilliance$4,686 AUD

8 data points across 3 retailers

3 retailers$1,495 AUD to $2,023 AUD

A
Cheapest Retailer
-
$1,495 AUD
$1,050 USD
Final sale: no returns
B+
Retailer 2
-
$2,023 AUD
$1,421 USD
View
Most Expensive
Brilliance
D45445646 · Oct 5
$4,686 AUD
$3,292 USD
View
Price last confirmed 25 days ago
2 more retailers have this diamond
Prices start from $1,495 AUDSave up to $528 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
4.90ct Cushion
$1,495 AUD