Cushion|Lab Grown|IGI

1.63ct E VS1 Cushion Lab Grown Diamond

GD • E/VS1 • IGI LG741531006

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG741531006

Diamond specifications and retailer prices

From $334 AUD
$235 USD
As of October 28, 2026
Save $2,569 AUD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,904 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.63ct lab-grown cushion diamond

This 1.63ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG741531006 or 741531006. Listed at 20 retailers as of October 28, 2026, with prices from $334 to $2,904, a $2,569 spread on the same certified stone. Brilliant Earth lists it at $2,904. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.63
Carat
E
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741531006
Dimensions6.15 × 6.15 × 7.93 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.15 mm6.15 mm1.63 ctE / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741531006
Side View
Table 65.0%Crown 35°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 71.9%

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 28
Current: $2,904 AUD|Low: $334 AUD|High: $3,103 AUD|Avg: $1,257 AUD|+10.9%
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
Retailer 19
Retailer 20
October 30, 2026
Retailer 5$334 AUD
Retailer 19$372 AUD
Retailer 20$639 AUD
Retailer 9$642 AUD
Retailer 16$705 AUD
Retailer 13$726 AUD
Retailer 4$742 AUD
Retailer 2$775 AUD
Retailer 17$958 AUD
Retailer 3$1,099 AUD
Retailer 18$1,455 AUD
Retailer 12$1,514 AUD
Retailer 7$1,523 AUD
Retailer 8$1,564 AUD
Retailer 14$1,605 AUD
Retailer 11$1,614 AUD
Retailer 15$1,654 AUD
Retailer 10$1,748 AUD
Retailer 6$2,875 AUD
Brilliant Earth$2,904 AUD

41 data points across 20 retailers

20 retailers$334 AUD to $2,904 AUD

A
Cheapest Retailer
-
$334 AUD
$235 USD
Final sale: no returns
A
Retailer 2
-
$372 AUD
$261 USD
View
B+
Retailer 3
-
$639 AUD
$449 USD
View
B+
Retailer 4
-
$642 AUD
$451 USD
View
A
Retailer 5
-
$705 AUD
ZAR 8,007 ZAR
View
A
Retailer 6
-
$726 AUD
€486 EUR
View
A
Retailer 7
-
$742 AUD
$521 USD
View
A
Retailer 8
-
$775 AUD
£429 GBP
View
B+
Retailer 9
-
$958 AUD
View
B+
Retailer 10
-
$1,099 AUD
$772 USD
View
B
Retailer 11
-
$1,455 AUD
View
B
Retailer 12
-
$1,514 AUD
$1,064 USD
View
Retailer 13
-
$1,523 AUD
$1,070 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$1,564 AUD
$1,099 USD
View
B
Retailer 15
-
$1,605 AUD
£888 GBP
View
B
Retailer 16
-
$1,614 AUD
SGD 1,532 SGD
View
B
Retailer 17
-
$1,654 AUD
£915 GBP
View
B
Retailer 18
-
$1,748 AUD
$1,228 USD
View
C
Retailer 19
-
$2,875 AUD
$2,020 USD
View
Most Expensive
B
Brilliant Earth
18967898A · Oct 29
$2,904 AUD
$2,040 USD
View
19 more retailers have this diamond
Prices start from $334 AUDSave up to $2,569 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
1.63ct Cushion
$334 AUD