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Cushion|Lab Grown|IGI

4.29ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780665785

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780665785

Diamond specifications and retailer prices

From $7,134 NZD
$4,021 USD
As of November 1, 2026
Save $37,312 NZD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $44,446 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.29ct lab-grown cushion diamond

This 4.29ct 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 LG780665785 or 780665785. Listed at 11 retailers as of October 31, 2026, with prices from $7,134 to $44,446, a $37,312 spread on the same certified stone. Do Amore Diamonds lists it at $44,446. 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

4.29
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665785
Dimensions10.81 × 8.72 × 5.69 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
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
10.81 mm8.72 mm4.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665785
Side View
Table 62.0%Crown 34.7°Girdle: STK-THKPavilion 35.6°Culet: NoneDepth 65.3%

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: Nov 1
Current: $44,446 NZD|Low: $7,134 NZD|High: $58,836 NZD|Avg: $19,834 NZD|-24.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$7,134 NZD
Retailer 9$7,488 NZD
Retailer 8$8,472 NZD
Retailer 11$10,163 NZD
Retailer 4$11,615 NZD
Retailer 5$14,157 NZD
Retailer 3$15,193 NZD
Retailer 2$17,714 NZD
Retailer 10$20,556 NZD
Retailer 7$23,580 NZD
Do Amore Diamonds$44,446 NZD

30 data points across 11 retailers

11 retailers$7,134 NZD to $44,446 NZD

A+
Cheapest Retailer
-
$7,134 NZD
$4,021 USD
A
Retailer 2
-
$7,488 NZD
$4,220 USD
View
A
Retailer 3
-
$8,472 NZD
$4,775 USD
View
A
Retailer 4
-
$10,163 NZD
$5,728 USD
View
Final sale: no returns
A
Retailer 5
-
$11,615 NZD
$6,546 USD
View
A
Retailer 6
-
$14,157 NZD
€7,599 EUR
View
Retailer 7
-
$15,193 NZD
$8,563 USD
View
Price last confirmed 83 days ago
B+
Retailer 8
-
$17,714 NZD
£7,861 GBP
View
B+
Retailer 9
-
$20,556 NZD
$11,585 USD
View
B+
Retailer 10
-
$23,580 NZD
$13,290 USD
View
Most Expensive
B
Do Amore Diamonds
27-BE0FC0767 · Oct 31
$44,446 NZD
$25,050 USD
View
10 more retailers have this diamond
Prices start from $7,134 NZDSave up to $37,312 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+
4.29ct Cushion
$7,134 NZD