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Cushion|Lab Grown|IGI

4.78ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG593386564

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG593386564

Diamond specifications and retailer prices

From HK$12,860 HKD
$1,639 USD
As of November 1, 2026
Save HK$6,010 HKD (32%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$18,870 HKD at Friendly Diamonds · As of November 2, 2026
View at Friendly Diamonds

About this 4.78ct lab-grown cushion diamond

This 4.78ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG593386564 or 593386564. Listed at 2 retailers as of November 1, 2026, with prices from HK$12,860 to HK$18,870, a HK$6,010 spread on the same certified stone. Friendly Diamonds lists it at HK$18,870. 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

4.78
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593386564
Dimensions9.86 × 9.67 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.86 mm9.67 mm4.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593386564
Side View
Table 62.0%Crown 37.1°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 66.2%

Caratlytics Score

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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: Nov 1
Current: HK$18,870 HKD|Low: HK$12,860 HKD|High: HK$56,413 HKD|Avg: HK$32,222 HKD|-9.9%
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3HK$12,860 HKD
Friendly DiamondsHK$18,870 HKD
Retailer 4HK$40,486 HKD
Retailer 2HK$56,413 HKD

4 data points across 4 retailers

2 retailersHK$12,860 HKD to HK$18,870 HKD

A
Cheapest Retailer
-
HK$12,860 HKD
$1,639 USD
Most Expensive
B+
Friendly Diamonds
3863575 · Nov 2
HK$18,870 HKD
$2,405 USD
View
1 more retailer has this diamond
Prices start from HK$12,860 HKDSave up to HK$6,010 HKD

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
4.78ct Cushion
HK$12,860 HKD