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Cushion|Lab Grown|IGI

1.63ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG647479173

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG647479173

Diamond specifications and retailer prices

From $334 AUD
$235 USD
As of October 28, 2026
Save $1,715 AUD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,050 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 top-tier cut grade and certified by IGI LG647479173 or 647479173. Listed at 15 retailers as of October 28, 2026, with prices from $334 to $2,050, a $1,715 spread on the same certified stone. Brilliant Earth lists it at $2,050. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647479173
Dimensions8.06 × 5.96 × 4.16 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.06 mm5.96 mm1.63 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647479173
Side View
Table 62.0%Crown 39.7°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 69.8%

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 28
Current: $2,050 AUD|Low: $238 AUD|High: $2,221 AUD|Avg: $1,092 AUD|-7.7%
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
October 29, 2026
Retailer 9$334 AUD
Retailer 13$555 AUD
Retailer 6$565 AUD
Retailer 4$653 AUD
Retailer 7$664 AUD
Retailer 2$775 AUD
Retailer 3$849 AUD
Retailer 11$1,075 AUD
Retailer 12$1,361 AUD
Retailer 10$1,523 AUD
Retailer 14$1,622 AUD
Retailer 8$1,649 AUD
Retailer 5$1,748 AUD
Brilliant Earth$2,050 AUD

41 data points across 14 retailers

15 retailers$334 AUD to $2,050 AUD

A
Cheapest Retailer
-
$334 AUD
$235 USD
Final sale: no returns
B+
Retailer 2
-
$555 AUD
$390 USD
View
A
Retailer 3
-
$565 AUD
HK$3,100 HKD
View
A
Retailer 4
-
$653 AUD
$459 USD
View
A
Retailer 5
-
$664 AUD
€444 EUR
View
A
Retailer 6
-
$775 AUD
£429 GBP
View
A
Retailer 7
-
$849 AUD
$596 USD
View
B+
Retailer 8
-
$1,075 AUD
$755 USD
View
B+
Retailer 9
-
$1,361 AUD
$956 USD
View
B+
Retailer 10
-
$1,523 AUD
$1,070 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$1,564 AUD
$1,099 USD
View
B
Retailer 12
-
$1,622 AUD
SGD 1,540 SGD
View
B+
Retailer 13
-
$1,649 AUD
£912 GBP
View
B
Retailer 14
-
$1,748 AUD
$1,228 USD
View
Most Expensive
B
Brilliant Earth
13185356Y · Oct 29
$2,050 AUD
$1,440 USD
View
14 more retailers have this diamond
Prices start from $334 AUDSave up to $1,715 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