Cushion|Lab Grown|IGI

1.20ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG782646729

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG782646729

Diamond specifications and retailer prices

From $447 AUD
$314 USD
As of October 30, 2026
Save $1,437 AUD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,888 AUD at Flawless Fine Jewelry · As of October 21, 2026
View at Flawless Fine Jewelry

About this 1.2ct lab-grown cushion diamond

This 1.2ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG782646729 or 782646729. Listed at 12 retailers as of October 29, 2026, with a 321% 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

1.20
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782646729
Dimensions8.09 × 5.28 × 3.22 mm
L/W Ratio1.53
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.09 mm5.28 mm1.20 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782646729
Side View
Table 54.0%Crown 38.8°Girdle: STK-THKPavilion 31.9°Culet: LargeDepth 61.0%

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: $1,888 AUD|Low: $366 AUD|High: $2,403 AUD|Avg: $1,003 AUD
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 5$366 AUD
Retailer 13$447 AUD
Retailer 10$494 AUD
Retailer 12$656 AUD
Retailer 6$719 AUD
Retailer 4$816 AUD
Retailer 8$850 AUD
Retailer 2$865 AUD
Retailer 11$955 AUD
Retailer 7$1,203 AUD
Retailer 3$1,577 AUD
Retailer 9$1,884 AUD
Flawless Fine Jewelry$1,888 AUD

41 data points across 13 retailers

12 retailers$447 AUD to $1,884 AUD

A
Cheapest Retailer
-
$447 AUD
$314 USD
Final sale: no returns
Retailer 2
-
$494 AUD
$347 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$656 AUD
$461 USD
View
B+
Retailer 4
-
$719 AUD
$505 USD
View
B+
Retailer 5
-
$816 AUD
$573 USD
View
B+
Retailer 6
-
$850 AUD
ZAR 9,642 ZAR
View
B+
Retailer 7
-
$865 AUD
£478 GBP
View
B+
Retailer 8
-
$955 AUD
$671 USD
View
B
Retailer 9
-
$1,203 AUD
View
B
Retailer 10
-
$1,577 AUD
$1,108 USD
View
B
Retailer 11
-
$1,884 AUD
£1,042 GBP
View
Most Expensive
Flawless Fine Jewelry
31DA47D18 · Oct 21
$1,888 AUD
£1,044 GBP
View
Price last confirmed 9 days ago
11 more retailers have this diamond
Prices start from $447 AUDSave up to $1,437 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
1.20ct Cushion
$447 AUD