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Cushion|Lab Grown|IGI

5.28ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG799670188

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799670188

Diamond specifications and retailer prices

From $11,988 AUD
$8,421 USD
As of November 1, 2026
Save $61,276 AUD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $73,264 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.28ct lab-grown cushion diamond

This 5.28ct 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 LG799670188 or 799670188. Listed at 14 retailers as of October 31, 2026, with prices from $11,988 to $73,264, a $61,276 spread on the same certified stone. With Clarity lists it at $73,264. 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

5.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799670188
Dimensions11.32 × 9.42 × 6.17 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
11.32 mm9.42 mm5.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799670188
Side View
Table 60.0%Crown 36.6°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
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: $15,467 AUD|Low: $11,988 AUD|High: $74,893 AUD|Avg: $27,896 AUD|-7.0%
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
With Clarity
November 1, 2026
Retailer 11$11,988 AUD
Retailer 7$14,165 AUD
Retailer 4$14,742 AUD
Retailer 1$15,467 AUD
Retailer 10$15,776 AUD
Retailer 8$16,296 AUD
Retailer 9$22,629 AUD
Retailer 13$23,660 AUD
Retailer 12$24,721 AUD
Retailer 6$25,089 AUD
Retailer 3$27,459 AUD
Retailer 5$38,034 AUD
Retailer 2$43,573 AUD
With Clarity$73,264 AUD

39 data points across 14 retailers

14 retailers$11,988 AUD to $73,264 AUD

A
Cheapest Retailer
-
$11,988 AUD
$8,421 USD
A
Retailer 2
-
$14,165 AUD
$9,950 USD
View
A
Retailer 3
-
$14,742 AUD
HK$80,900 HKD
View
A
Retailer 4
-
$15,467 AUD
$10,865 USD
View
A
Retailer 5
-
$15,776 AUD
$11,082 USD
View
A
Retailer 6
-
$16,296 AUD
£9,013 GBP
View
A
Retailer 7
-
$22,629 AUD
€15,139 EUR
View
A
Retailer 8
-
$23,660 AUD
$16,620 USD
View
B+
Retailer 9
-
$24,721 AUD
$17,365 USD
View
B+
Retailer 10
-
$25,089 AUD
£13,877 GBP
View
B+
Retailer 11
-
$27,459 AUD
ZAR 311,603 ZAR
View
B+
Retailer 12
-
$38,034 AUD
$26,717 USD
View
B
Retailer 13
-
$43,573 AUD
$30,608 USD
View
Most Expensive
B
With Clarity
799670188 · Oct 31
$73,264 AUD
$51,464 USD
View
13 more retailers have this diamond
Prices start from $11,988 AUDSave up to $61,276 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
5.28ct Cushion
$11,988 AUD