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Cushion|Lab Grown|IGI

4.30ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804664621

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804664621

Diamond specifications and retailer prices

From $7,268 NZD
$4,096 USD
As of October 30, 2026
Save $38,758 NZD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $46,025 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.3ct lab-grown cushion diamond

This 4.3ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804664621 or 804664621. Listed at 10 retailers as of October 30, 2026, with prices from $7,268 to $46,025, a $38,758 spread on the same certified stone. Do Amore Diamonds lists it at $46,025. 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

4.30
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804664621
Dimensions10.59 × 8.70 × 5.81 mm
L/W Ratio1.22
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
10.59 mm8.70 mm4.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804664621
Side View
Table 60.0%Crown 36.7°Girdle: STK-THKPavilion 36.1°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $46,025 NZD|Low: $7,268 NZD|High: $58,960 NZD|Avg: $19,854 NZD|-21.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$7,268 NZD
Retailer 6$7,869 NZD
Retailer 4$8,565 NZD
Retailer 9$10,188 NZD
Retailer 8$12,108 NZD
Retailer 5$14,804 NZD
Retailer 10$15,493 NZD
Retailer 7$17,831 NZD
Retailer 3$23,634 NZD
Do Amore Diamonds$46,025 NZD

25 data points across 10 retailers

10 retailers$7,268 NZD to $46,025 NZD

A+
Cheapest Retailer
-
$7,268 NZD
$4,096 USD
A
Retailer 2
-
$7,869 NZD
$4,435 USD
View
A
Retailer 3
-
$8,565 NZD
$4,827 USD
View
A
Retailer 4
-
$10,188 NZD
$5,742 USD
View
Final sale: no returns
A
Retailer 5
-
$12,108 NZD
$6,824 USD
View
A
Retailer 6
-
$14,804 NZD
€7,946 EUR
View
Retailer 7
-
$15,493 NZD
$8,732 USD
View
Price last confirmed 82 days ago
B+
Retailer 8
-
$17,831 NZD
£7,913 GBP
View
B+
Retailer 9
-
$23,634 NZD
$13,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-647C695D3 · Oct 31
$46,025 NZD
$25,940 USD
View
9 more retailers have this diamond
Prices start from $7,268 NZDSave up to $38,758 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+
4.30ct Cushion
$7,268 NZD