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Cushion|Lab Grown|IGI

1.48ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG678583342

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG678583342

Diamond specifications and retailer prices

From $429 AUD
$301 USD
As of October 29, 2026
Save $3,031 AUD (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,459 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.48ct lab-grown cushion diamond

This 1.48ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678583342 or 678583342. Listed at 9 retailers as of October 29, 2026, with prices from $429 to $3,459, a $3,031 spread on the same certified stone. Do Amore Diamonds lists it at $3,459. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.48
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678583342
Dimensions8.25 × 5.38 × 3.48 mm
L/W Ratio1.53
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.25 mm5.38 mm1.48 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678583342
Side View
Table 64.0%Crown 37.5°Girdle: MED-STKPavilionCulet: LargeDepth 64.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,459 AUD|Low: $411 AUD|High: $3,459 AUD|Avg: $1,535 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 10$429 AUD
Retailer 13$497 AUD
Retailer 11$870 AUD
Retailer 8$876 AUD
Retailer 3$1,011 AUD
Retailer 14$1,090 AUD
Retailer 7$1,423 AUD
Retailer 9$1,630 AUD
Retailer 5$1,844 AUD
Retailer 6$1,866 AUD
Retailer 12$1,883 AUD
Retailer 4$2,149 AUD
Retailer 2$2,359 AUD
Do Amore Diamonds$3,459 AUD

20 data points across 14 retailers

9 retailers$429 AUD to $3,459 AUD

A
Cheapest Retailer
-
$429 AUD
$301 USD
A
Retailer 2
-
$497 AUD
$349 USD
View
A
Retailer 3
-
$870 AUD
$611 USD
View
B+
Retailer 4
-
$876 AUD
$615 USD
View
B+
Retailer 5
-
$1,423 AUD
View
B
Retailer 6
-
$1,630 AUD
$1,145 USD
View
B
Retailer 7
-
$1,883 AUD
$1,323 USD
View
B
Retailer 8
-
$2,359 AUD
£1,305 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1675330 · Oct 31
$3,459 AUD
$2,430 USD
View
8 more retailers have this diamond
Prices start from $429 AUDSave up to $3,031 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
1.48ct Cushion
$429 AUD