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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 $1,377 NZD
$775 USD
As of November 2, 2026
Save $4,505 NZD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,883 NZD at Brilliant Earth · As of October 31, 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 October 31, 2026, with prices from $1,377 to $5,883, a $4,505 spread on the same certified stone. Brilliant Earth lists it at $5,883. 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: $5,883 NZD|Low: $1,020 NZD|High: $6,078 NZD|Avg: $2,672 NZD|-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 1, 2026
Retailer 14$1,020 NZD
Retailer 12$1,132 NZD
Retailer 9$1,377 NZD
Retailer 7$1,485 NZD
Retailer 15$1,756 NZD
Retailer 8$1,784 NZD
Retailer 4$1,886 NZD
Retailer 11$2,252 NZD
Retailer 10$2,268 NZD
Retailer 5$2,627 NZD
Retailer 3$3,304 NZD
Retailer 6$3,682 NZD
Retailer 13$3,718 NZD
Retailer 2$4,724 NZD
Brilliant Earth$5,883 NZD

32 data points across 15 retailers

12 retailers$1,377 NZD to $5,883 NZD

Retailer 1
-
$1,132 NZD
$637 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$1,377 NZD
$775 USD
View
B+
Retailer 3
-
$1,756 NZD
$988 USD
View
A
Retailer 4
-
$1,784 NZD
€956 EUR
View
A
Retailer 5
-
$1,886 NZD
$1,061 USD
View
A
Retailer 6
-
$2,252 NZD
ZAR 20,470 ZAR
View
A
Retailer 7
-
$2,268 NZD
A$1,963 AUD
View
A
Retailer 8
-
$2,627 NZD
$1,478 USD
View
B+
Retailer 9
-
$3,682 NZD
$2,072 USD
View
Retailer 10
-
$3,718 NZD
$2,092 USD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
$4,724 NZD
£2,093 GBP
View
Most Expensive
B
Brilliant Earth
7737214A · Oct 31
$5,883 NZD
$3,310 USD
View
11 more retailers have this diamond
Prices start from $1,377 NZDSave up to $4,505 NZD

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
$1,377 NZD