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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 $3,989 SGD
$3,119 USD
As of November 2, 2026
Save $10,075 SGD (72%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $19,377 SGD 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 October 30, 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: $19,377 SGD|Low: $3,989 SGD|High: $45,260 SGD|Avg: $13,475 SGD|+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
October 31, 2026
Retailer 12$3,989 SGD
Retailer 15$4,566 SGD
Retailer 16$4,594 SGD
Retailer 2$5,422 SGD
Retailer 6$7,167 SGD
Retailer 5$7,342 SGD
Retailer 14$7,546 SGD
Retailer 18$7,631 SGD
Retailer 9$7,654 SGD
Retailer 17$10,997 SGD
Retailer 7$11,928 SGD
Retailer 11$12,482 SGD
Retailer 13$14,064 SGD
Retailer 3$17,112 SGD
Retailer 4$17,286 SGD
Brilliance$19,377 SGD
Retailer 10$29,569 SGD
Retailer 8$45,260 SGD

28 data points across 18 retailers

12 retailers$3,989 SGD to $14,064 SGD

B+
Cheapest Retailer
-
$3,989 SGD
$3,119 USD
B+
Retailer 2
-
$4,566 SGD
$3,570 USD
View
B+
Retailer 3
-
$4,594 SGD
CA$4,990 CAD
View
B+
Retailer 4
-
$5,422 SGD
€4,038 EUR
View
Retailer 5
-
$7,546 SGD
$5,900 USD
View
Price last confirmed 14 days ago
Retailer 6
-
$11,928 SGD
£7,344 GBP
View
Price last confirmed 26 days ago
B
Retailer 7
-
$12,482 SGD
$9,760 USD
View
B
Retailer 8
-
$14,064 SGD
$10,997 USD
View
Retailer 9
-
$17,112 SGD
ZAR 216,165 ZAR
View
Price under review
Retailer 10
-
$17,286 SGD
£10,643 GBP
View
Price under review
Most Expensive
Brilliance
D44922328 · Oct 5
$19,377 SGD
$15,151 USD
View
Price under review
10 more retailers have this diamond
Prices start from $3,989 SGDSave up to $10,075 SGD

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
$3,989 SGD