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Cushion|Lab Grown|IGI

5.28ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG499188303

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG499188303

Diamond specifications and retailer prices

From $4,451 AUD
$3,119 USD
As of November 2, 2026
Save $11,241 AUD (72%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $21,619 AUD at Brilliance · As of October 5, 2026
View at Brilliance

About this 5.28ct lab-grown cushion diamond

This 5.28ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG499188303 or 499188303. Listed at 12 retailers as of November 2, 2026, with a 253% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.6°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499188303
Dimensions10.24 × 9.53 × 6.44 mm
L/W Ratio1.07
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
10.24 mm9.53 mm5.28 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG499188303
Side View
Table 61.0%Crown 37.6°Girdle: THN-THKPavilion 34°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $21,619 AUD|Low: $4,451 AUD|High: $50,498 AUD|Avg: $14,983 AUD|+20.4%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 12$4,451 AUD
Retailer 15$5,094 AUD
Retailer 16$5,126 AUD
Retailer 2$6,047 AUD
Retailer 6$7,996 AUD
Retailer 5$8,192 AUD
Retailer 14$8,419 AUD
Retailer 18$8,514 AUD
Retailer 9$8,540 AUD
Retailer 17$12,269 AUD
Retailer 7$13,309 AUD
Retailer 11$13,927 AUD
Retailer 13$15,692 AUD
Retailer 3$19,093 AUD
Retailer 4$19,287 AUD
Brilliance$21,619 AUD
Retailer 10$32,991 AUD
Retailer 8$50,498 AUD

28 data points across 18 retailers

12 retailers$4,451 AUD to $15,692 AUD

B+
Cheapest Retailer
-
$4,451 AUD
$3,119 USD
B+
Retailer 2
-
$5,094 AUD
$3,570 USD
View
B+
Retailer 3
-
$5,126 AUD
CA$4,990 CAD
View
B+
Retailer 4
-
$6,047 AUD
€4,036 EUR
View
Retailer 5
-
$8,419 AUD
$5,900 USD
View
Price last confirmed 15 days ago
Retailer 6
-
$13,309 AUD
£7,344 GBP
View
Price last confirmed 27 days ago
B
Retailer 7
-
$13,927 AUD
$9,760 USD
View
B
Retailer 8
-
$15,692 AUD
$10,997 USD
View
Retailer 9
-
$19,093 AUD
ZAR 216,165 ZAR
View
Price under review
Retailer 10
-
$19,287 AUD
£10,643 GBP
View
Price under review
Most Expensive
Brilliance
D44922328 · Oct 5
$21,619 AUD
$15,151 USD
View
Price under review
10 more retailers have this diamond
Prices start from $4,451 AUDSave up to $11,241 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.

B+
5.28ct Cushion
$4,451 AUD