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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 $5,868 AUD
$4,122 USD
As of October 29, 2026
Save $31,060 AUD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $36,928 AUD at Do Amore Diamonds · As of October 30, 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 29, 2026, with prices from $5,868 to $36,928, a $31,060 spread on the same certified stone. Do Amore Diamonds lists it at $36,928. 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 29
Current: $36,928 AUD|Low: $5,868 AUD|High: $47,306 AUD|Avg: $16,432 AUD|-21.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9$5,868 AUD
Retailer 6$6,314 AUD
Retailer 4$6,872 AUD
Retailer 10$8,174 AUD
Retailer 8$9,715 AUD
Retailer 5$11,878 AUD
Retailer 11$12,431 AUD
Retailer 7$14,306 AUD
Retailer 2$18,962 AUD
Retailer 3$21,415 AUD
Do Amore Diamonds$36,928 AUD

25 data points across 11 retailers

10 retailers$5,868 AUD to $36,928 AUD

A+
Cheapest Retailer
-
$5,868 AUD
$4,122 USD
A
Retailer 2
-
$6,314 AUD
$4,435 USD
View
A
Retailer 3
-
$6,872 AUD
$4,827 USD
View
A
Retailer 4
-
$8,174 AUD
$5,742 USD
View
Final sale: no returns
A
Retailer 5
-
$9,715 AUD
$6,824 USD
View
A
Retailer 6
-
$11,878 AUD
€7,946 EUR
View
Retailer 7
-
$12,431 AUD
$8,732 USD
View
Price last confirmed 82 days ago
B+
Retailer 8
-
$14,306 AUD
£7,913 GBP
View
B+
Retailer 9
-
$18,962 AUD
$13,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-647C695D3 · Oct 30
$36,928 AUD
$25,940 USD
View
9 more retailers have this diamond
Prices start from $5,868 AUDSave up to $31,060 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+
4.30ct Cushion
$5,868 AUD