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Cushion|Lab Grown|IGI

3.53ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG830620623

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830620623

Diamond specifications and retailer prices

From $1,509 NZD
$849 USD
As of November 1, 2026
Save $6,912 NZD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,421 NZD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 3.53ct lab-grown cushion diamond

This 3.53ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830620623 or 830620623. Listed at 16 retailers as of November 1, 2026, with prices from $1,509 to $8,421, a $6,912 spread on the same certified stone. Helzberg Diamonds lists it at $8,421. 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

3.53
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620623
Dimensions10.89 × 7.83 × 5.14 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.89 mm7.83 mm3.53 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620623
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 33.5°Culet: NoneDepth 65.6%

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: Nov 1
Current: $8,421 NZD|Low: $1,509 NZD|High: $8,421 NZD|Avg: $3,932 NZD
Helzberg Diamonds
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 4$1,509 NZD
Retailer 8$1,813 NZD
Retailer 5$1,875 NZD
Retailer 12$2,127 NZD
Retailer 9$2,374 NZD
Retailer 2$2,435 NZD
Retailer 13$2,527 NZD
Retailer 11$3,529 NZD
Retailer 14$4,045 NZD
Retailer 7$5,096 NZD
Retailer 6$5,333 NZD
Retailer 15$5,393 NZD
Retailer 10$5,857 NZD
Retailer 3$8,069 NZD
Helzberg Diamonds$8,421 NZD

5 data points across 15 retailers

16 retailers$1,509 NZD to $8,421 NZD

A
Cheapest Retailer
-
$1,509 NZD
$849 USD
Final sale: no returns
A
Retailer 2
-
$1,813 NZD
£803 GBP
View
A
Retailer 3
-
$1,875 NZD
$1,055 USD
View
A
Retailer 4
-
$2,127 NZD
$1,197 USD
View
A
Retailer 5
-
$2,374 NZD
£1,052 GBP
View
A
Retailer 6
-
$2,435 NZD
€1,305 EUR
View
A
Retailer 7
-
$2,527 NZD
$1,422 USD
View
B+
Retailer 8
-
$3,529 NZD
A$3,055 AUD
View
B+
Retailer 9
-
$4,045 NZD
$2,276 USD
View
B+
Retailer 10
-
$5,096 NZD
$2,867 USD
View
B
Retailer 11
-
$5,333 NZD
SGD 4,055 SGD
View
B
Retailer 12
-
$5,393 NZD
$3,034 USD
View
B
Retailer 13
-
$5,857 NZD
£2,595 GBP
View
B
Retailer 14
-
$6,816 NZD
$3,835 USD
View
B
Retailer 15
-
$8,069 NZD
$4,540 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJGMIGMIJ · Nov 1
$8,421 NZD
$4,738 USD
View
15 more retailers have this diamond
Prices start from $1,509 NZDSave up to $6,912 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
3.53ct Cushion
$1,509 NZD