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Cushion|Lab Grown|IGI

5.59ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG799630951

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799630951

Diamond specifications and retailer prices

From $14,289 AUD
$10,037 USD
As of October 30, 2026
Save $36,512 AUD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $50,801 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.59ct lab-grown cushion diamond

This 5.59ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799630951 or 799630951. Listed at 13 retailers as of October 30, 2026, with prices from $14,289 to $50,801, a $36,512 spread on the same certified stone. Taylor and Hart lists it at $50,801. 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

5.59
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle28.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799630951
Dimensions11.86 × 9.11 × 6.00 mm
L/W Ratio1.30
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
11.86 mm9.11 mm5.59 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799630951
Side View
Table 59.0%Crown 35.2°Girdle: MED-THKPavilion 28.5°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
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: $19,439 AUD|Low: $11,826 AUD|High: $50,801 AUD|Avg: $25,212 AUD|-6.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
October 30, 2026
Retailer 5$11,826 AUD
Retailer 12$14,289 AUD
Retailer 13$15,785 AUD
Retailer 2$16,158 AUD
Retailer 8$16,350 AUD
Retailer 9$17,453 AUD
Retailer 1$19,439 AUD
Retailer 4$23,431 AUD
Retailer 7$26,405 AUD
Retailer 11$30,311 AUD
Retailer 6$33,219 AUD
Retailer 10$41,867 AUD
Retailer 3$45,549 AUD
Taylor and Hart$50,801 AUD

40 data points across 14 retailers

13 retailers$14,289 AUD to $50,801 AUD

A
Cheapest Retailer
-
$14,289 AUD
$10,037 USD
A
Retailer 2
-
$15,785 AUD
$11,088 USD
View
Final sale: no returns
A
Retailer 3
-
$16,158 AUD
$11,350 USD
View
Retailer 4
-
$16,350 AUD
$11,485 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$17,453 AUD
$12,260 USD
View
A
Retailer 6
-
$19,439 AUD
£10,752 GBP
View
A
Retailer 7
-
$23,431 AUD
£12,960 GBP
View
B+
Retailer 8
-
$26,405 AUD
£14,605 GBP
View
B+
Retailer 9
-
$30,311 AUD
$21,292 USD
View
B+
Retailer 10
-
$33,219 AUD
ZAR 376,968 ZAR
View
B
Retailer 11
-
$41,867 AUD
$29,409 USD
View
B
Retailer 12
-
$45,549 AUD
$31,996 USD
View
Most Expensive
B
Taylor and Hart
4F4A1BD · Oct 30
$50,801 AUD
$35,685 USD
View
12 more retailers have this diamond
Prices start from $14,289 AUDSave up to $36,512 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
5.59ct Cushion
$14,289 AUD