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Cushion|Lab Grown|IGI

4.73ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG591335348

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG591335348

Diamond specifications and retailer prices

From $1,106 AUD
$775 USD
As of November 2, 2026
Save $3,617 AUD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,723 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.73ct lab-grown cushion diamond

This 4.73ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG591335348 or 591335348. Listed at 12 retailers as of November 2, 2026, with prices from $1,106 to $4,723, a $3,617 spread on the same certified stone. Brilliant Earth lists it at $4,723. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.73
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591335348
Dimensions9.80 × 9.56 × 6.46 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.80 mm9.56 mm4.73 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591335348
Side View
Table 62.0%Crown 36.1°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,723 AUD|Low: $819 AUD|High: $4,880 AUD|Avg: $2,143 AUD|-3.2%
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
November 2, 2026
Retailer 14$819 AUD
Retailer 12$909 AUD
Retailer 10$1,106 AUD
Retailer 7$1,192 AUD
Retailer 15$1,410 AUD
Retailer 9$1,432 AUD
Retailer 4$1,514 AUD
Retailer 2$1,808 AUD
Retailer 11$1,821 AUD
Retailer 5$2,109 AUD
Retailer 3$2,653 AUD
Retailer 6$2,956 AUD
Retailer 13$2,985 AUD
Retailer 8$3,793 AUD
Brilliant Earth$4,723 AUD

33 data points across 15 retailers

12 retailers$1,106 AUD to $4,723 AUD

Retailer 1
-
$909 AUD
$637 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$1,106 AUD
$775 USD
View
B+
Retailer 3
-
$1,410 AUD
$988 USD
View
A
Retailer 4
-
$1,432 AUD
€956 EUR
View
A
Retailer 5
-
$1,514 AUD
$1,061 USD
View
A
Retailer 6
-
$1,808 AUD
ZAR 20,471 ZAR
View
A
Retailer 7
-
$1,821 AUD
View
A
Retailer 8
-
$2,109 AUD
$1,478 USD
View
B+
Retailer 9
-
$2,956 AUD
$2,072 USD
View
Retailer 10
-
$2,985 AUD
$2,092 USD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
$3,793 AUD
£2,093 GBP
View
Most Expensive
B
Brilliant Earth
7737214A · Nov 2
$4,723 AUD
$3,310 USD
View
11 more retailers have this diamond
Prices start from $1,106 AUDSave up to $3,617 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
4.73ct Cushion
$1,106 AUD