Cushion|Lab Grown|IGI

1.57ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG804668747

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

Certificate IGI LG804668747

Diamond specifications and retailer prices

From $638 AUD
HK$3,500 HKD
As of October 31, 2026
Save $1,675 AUD (72%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,541 AUD at Brilliant Earth · As of September 24, 2026
View at Brilliant Earth

About this 1.57ct lab-grown cushion diamond

This 1.57ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG804668747 or 804668747. Listed at 17 retailers as of October 29, 2026, with a 263% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804668747
Dimensions6.57 × 6.56 × 4.41 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.57 mm6.56 mm1.57 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804668747
Side View
Table 61.0%Crown 35.1°Girdle: STK-THKPavilion 39°Culet: NoneDepth 67.2%

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 31
Current: $4,541 AUD|Low: $518 AUD|High: $4,541 AUD|Avg: $1,629 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 4$518 AUD
Retailer 10$776 AUD
Retailer 2$915 AUD
Retailer 9$987 AUD
Retailer 5$1,018 AUD
Retailer 8$1,338 AUD
Retailer 6$1,401 AUD
Retailer 3$1,837 AUD
Retailer 12$2,013 AUD
Retailer 11$2,228 AUD
Retailer 7$2,312 AUD
Brilliant Earth$4,541 AUD

42 data points across 12 retailers

17 retailers$638 AUD to $2,312 AUD

Retailer 1
-
$518 AUD
$364 USD
Price last confirmed 12 days ago
Final sale: no returns
A
Retailer 2
-
$638 AUD
HK$3,500 HKD
View
A
Retailer 3
-
$772 AUD
$542 USD
View
A
Retailer 4
-
$776 AUD
$545 USD
View
A
Retailer 5
-
$915 AUD
€612 EUR
View
A
Retailer 6
-
$987 AUD
ZAR 11,195 ZAR
View
A
Retailer 7
-
$1,018 AUD
£563 GBP
View
A
Retailer 8
-
$1,061 AUD
$745 USD
View
B+
Retailer 9
-
$1,338 AUD
View
B+
Retailer 10
-
$1,401 AUD
$984 USD
View
B
Retailer 11
-
$1,837 AUD
SGD 1,744 SGD
View
B
Retailer 12
-
$1,909 AUD
$1,341 USD
View
B+
Retailer 13
-
$2,013 AUD
$1,414 USD
View
Retailer 14
-
$2,228 AUD
$1,565 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
$2,268 AUD
$1,593 USD
View
B+
Retailer 16
-
$2,312 AUD
£1,279 GBP
View
Most Expensive
Brilliant Earth
21305425A · Sep 24
$4,541 AUD
$3,190 USD
View
Price last confirmed 37 days ago
16 more retailers have this diamond
Prices start from $638 AUDSave up to $1,675 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
1.57ct Cushion
$638 AUD