CaratHunter
Plans
Cushion|Lab Grown|IGI

1.57ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG677531981

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG677531981

Diamond specifications and retailer prices

From $438 AUD
$308 USD
As of October 25, 2026
Save $2,338 AUD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,776 AUD at Brilliant Earth · As of October 29, 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 LG677531981 or 677531981. Listed at 16 retailers as of October 25, 2026, with prices from $438 to $2,776, a $2,338 spread on the same certified stone. Brilliant Earth lists it at $2,776. 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 angle35.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677531981
Dimensions6.89 × 6.70 × 4.21 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.89 mm6.70 mm1.57 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677531981
Side View
Table 66.0%Crown 35.9°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 62.8%

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 25
Current: $2,776 AUD|Low: $394 AUD|High: $2,804 AUD|Avg: $1,215 AUD|-1.0%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 28, 2026
Retailer 8$394 AUD
Retailer 4$438 AUD
Retailer 17$601 AUD
Retailer 13$710 AUD
Retailer 11$754 AUD
Retailer 10$776 AUD
Retailer 6$817 AUD
Retailer 2$829 AUD
Retailer 12$1,023 AUD
Retailer 16$1,129 AUD
Retailer 5$1,352 AUD
Retailer 7$1,483 AUD
Retailer 3$1,629 AUD
Retailer 14$1,759 AUD
Retailer 9$1,919 AUD
Retailer 18$1,985 AUD
Retailer 15$2,178 AUD
Brilliant Earth$2,776 AUD

40 data points across 18 retailers

16 retailers$438 AUD to $2,776 AUD

A
Cheapest Retailer
-
$438 AUD
$308 USD
B+
Retailer 2
-
$601 AUD
$422 USD
View
A
Retailer 3
-
$710 AUD
€475 EUR
View
A
Retailer 4
-
$754 AUD
ZAR 8,551 ZAR
View
A
Retailer 5
-
$817 AUD
$574 USD
View
A
Retailer 6
-
$829 AUD
£458 GBP
View
A
Retailer 7
-
$1,023 AUD
View
B+
Retailer 8
-
$1,129 AUD
$793 USD
View
B+
Retailer 9
-
$1,379 AUD
$969 USD
View
B+
Retailer 10
-
$1,483 AUD
$1,042 USD
View
B+
Retailer 11
-
$1,629 AUD
$1,144 USD
View
B+
Retailer 12
-
$1,759 AUD
£973 GBP
View
B
Retailer 13
-
$1,919 AUD
$1,348 USD
View
Retailer 14
-
$1,985 AUD
View
Price last confirmed 23 days ago
Retailer 15
-
$2,178 AUD
$1,530 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
14064960A · Oct 29
$2,776 AUD
$1,950 USD
View
15 more retailers have this diamond
Prices start from $438 AUDSave up to $2,338 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
$438 AUD