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Cushion|Lab Grown|IGI

4.78ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG847661603

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG847661603

Diamond specifications and retailer prices

From HK$5,401 HKD
£542 GBP
As of October 27, 2026
Save HK$32,731 HKD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$38,132 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 very-good cut grade and certified by IGI LG847661603 or 847661603. Listed at 16 retailers as of October 27, 2026, with prices from HK$5,401 to HK$38,132, a HK$32,731 spread on the same certified stone. Brilliant Earth lists it at HK$38,132. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.78
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847661603
Dimensions11.04 × 8.47 × 5.83 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.04 mm8.47 mm4.78 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847661603
Side View
Table 61.0%Crown 34.5°Girdle: MED-THKPavilion 34.4°Culet: NoneDepth 68.8%

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: Oct 27
Current: HK$13,558 HKD|Low: HK$5,391 HKD|High: HK$28,677 HKD|Avg: HK$14,269 HKD
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 14HK$5,401 HKD
Retailer 6HK$5,822 HKD
Retailer 12HK$6,930 HKD
Retailer 16HK$7,415 HKD
Retailer 5HK$8,968 HKD
Retailer 9HK$9,252 HKD
Retailer 15HK$9,591 HKD
Retailer 3HK$9,831 HKD
Retailer 1HK$13,558 HKD
Retailer 4HK$15,221 HKD
Retailer 7HK$19,981 HKD
Retailer 10HK$20,124 HKD
Retailer 8HK$20,814 HKD
Retailer 2HK$25,449 HKD
Retailer 11HK$28,269 HKD
Retailer 13HK$28,677 HKD

7 data points across 16 retailers

16 retailersHK$5,401 HKD to HK$38,132 HKD

A
Cheapest Retailer
-
HK$5,401 HKD
£542 GBP
A
Retailer 2
-
HK$6,930 HKD
View
Retailer 3
-
HK$7,415 HKD
$945 USD
View
Price last confirmed 5 days ago
Retailer 4
-
HK$8,968 HKD
$1,143 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
HK$9,252 HKD
€1,123 EUR
View
A
Retailer 6
-
HK$9,591 HKD
£963 GBP
View
Retailer 7
-
HK$9,831 HKD
$1,253 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
HK$13,558 HKD
$1,728 USD
View
B+
Retailer 9
-
HK$15,221 HKD
$1,940 USD
View
Retailer 10
-
HK$19,981 HKD
$2,547 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
HK$20,124 HKD
SGD 3,466 SGD
View
B+
Retailer 12
-
HK$20,814 HKD
$2,653 USD
View
B
Retailer 13
-
HK$25,449 HKD
£2,554 GBP
View
B
Retailer 14
-
HK$28,269 HKD
$3,603 USD
View
B
Retailer 15
-
HK$28,677 HKD
$3,655 USD
View
Most Expensive
B
Brilliant Earth
22307796A · Nov 2
HK$38,132 HKD
$4,860 USD
View
15 more retailers have this diamond
Prices start from HK$5,401 HKDSave up to HK$32,731 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$5,401 HKD