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Cushion|Lab Grown|IGI

4.29ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG787620793

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG787620793

Diamond specifications and retailer prices

From $6,873 AUD
$4,828 USD
As of October 30, 2026
Save $21,978 AUD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $28,851 AUD at With Clarity · As of October 31, 2026
View at With Clarity

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 LG787620793 or 787620793. Listed at 13 retailers as of October 30, 2026, with prices from $6,873 to $28,851, a $21,978 spread on the same certified stone. With Clarity lists it at $28,851. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620793
Dimensions10.59 × 8.81 × 5.78 mm
L/W Ratio1.20
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 mm8.81 mm4.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620793
Side View
Table 60.0%Crown 36.1°Girdle: THK-VTKPavilion 36.5°Culet: NoneDepth 65.6%

Caratlytics Score

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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: Oct 30
Current: $9,065 AUD|Low: $6,873 AUD|High: $36,112 AUD|Avg: $17,336 AUD|-5.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 31, 2026
Retailer 5$6,873 AUD
Retailer 1$9,065 AUD
Retailer 11$9,093 AUD
Retailer 8$9,441 AUD
Retailer 12$11,966 AUD
Retailer 4$12,286 AUD
Retailer 6$13,622 AUD
Retailer 10$15,495 AUD
Retailer 2$16,163 AUD
Retailer 7$18,920 AUD
Retailer 3$20,960 AUD
Retailer 9$25,974 AUD
With Clarity$28,851 AUD

38 data points across 13 retailers

13 retailers$6,873 AUD to $28,851 AUD

A
Cheapest Retailer
-
$6,873 AUD
$4,828 USD
A
Retailer 2
-
$9,065 AUD
$6,368 USD
View
A
Retailer 3
-
$9,093 AUD
HK$49,900 HKD
View
A
Retailer 4
-
$9,441 AUD
£5,222 GBP
View
A
Retailer 5
-
$11,966 AUD
€8,005 EUR
View
A
Retailer 6
-
$12,286 AUD
$8,630 USD
View
B+
Retailer 7
-
$13,622 AUD
$9,569 USD
View
B+
Retailer 8
-
$15,495 AUD
ZAR 175,837 ZAR
View
B+
Retailer 9
-
$16,163 AUD
£8,940 GBP
View
B+
Retailer 10
-
$18,920 AUD
$13,290 USD
View
B+
Retailer 11
-
$20,960 AUD
$14,723 USD
View
B
Retailer 12
-
$25,974 AUD
$18,245 USD
View
Most Expensive
B
With Clarity
787620793 · Oct 31
$28,851 AUD
$20,266 USD
View
12 more retailers have this diamond
Prices start from $6,873 AUDSave up to $21,978 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
4.29ct Cushion
$6,873 AUD