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Cushion|Lab Grown|IGI

4.00ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG817634491

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817634491

Diamond specifications and retailer prices

From HK$5,135 HKD
£515 GBP
As of October 27, 2026
Save HK$30,720 HKD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$35,855 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4ct lab-grown cushion diamond

This 4ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817634491 or 817634491. Listed at 20 retailers as of October 27, 2026, with prices from HK$5,135 to HK$35,855, a HK$30,720 spread on the same certified stone. Brilliant Earth lists it at HK$35,855. 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

4.00
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle28.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817634491
Dimensions10.68 × 7.98 × 5.10 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.68 mm7.98 mm4.00 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817634491
Side View
Table 61.0%Crown 35.5°Girdle: MED-THKPavilion 28.1°Culet: NoneDepth 63.9%

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$35,855 HKD|Low: HK$4,480 HKD|High: HK$40,484 HKD|Avg: HK$13,129 HKD|-11.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
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Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 7HK$4,480 HKD
Retailer 18HK$5,135 HKD
Retailer 21HK$5,423 HKD
Retailer 17HK$5,727 HKD
Retailer 2HK$7,241 HKD
Retailer 8HK$7,485 HKD
Retailer 19HK$7,652 HKD
Retailer 9HK$7,720 HKD
Retailer 20HK$9,806 HKD
Retailer 5HK$10,036 HKD
Retailer 6HK$11,596 HKD
Retailer 13HK$11,706 HKD
Retailer 14HK$14,468 HKD
Retailer 15HK$15,740 HKD
Retailer 12HK$16,178 HKD
Retailer 10HK$16,354 HKD
Retailer 4HK$18,445 HKD
Retailer 3HK$20,865 HKD
Retailer 16HK$21,748 HKD
Retailer 11HK$23,851 HKD
Brilliant EarthHK$35,855 HKD

26 data points across 21 retailers

20 retailersHK$5,135 HKD to HK$35,855 HKD

A
Cheapest Retailer
-
HK$5,135 HKD
£515 GBP
A
Retailer 2
-
HK$5,423 HKD
View
A
Retailer 3
-
HK$5,727 HKD
$730 USD
View
A
Retailer 4
-
HK$7,241 HKD
€879 EUR
View
A
Retailer 5
-
HK$7,485 HKD
$954 USD
View
A
Retailer 6
-
HK$7,652 HKD
£768 GBP
View
B+
Retailer 7
-
HK$7,720 HKD
$984 USD
View
Retailer 8
-
HK$9,806 HKD
ZAR 20,191 ZAR
View
Price last confirmed 7 days ago
Retailer 9
-
HK$10,036 HKD
A$1,968 AUD
View
Price last confirmed 11 days ago
A
Retailer 10
-
HK$11,596 HKD
$1,478 USD
View
A
Retailer 11
-
HK$11,706 HKD
$1,492 USD
View
A
Retailer 12
-
HK$14,468 HKD
£1,452 GBP
View
B+
Retailer 13
-
HK$15,740 HKD
SGD 2,711 SGD
View
B+
Retailer 14
-
HK$16,178 HKD
$2,062 USD
View
B+
Retailer 15
-
HK$16,354 HKD
$2,084 USD
View
B+
Retailer 16
-
HK$18,445 HKD
$2,351 USD
View
Retailer 17
-
HK$20,865 HKD
£2,094 GBP
View
Price last confirmed 10 days ago
B+
Retailer 18
-
HK$21,748 HKD
$2,772 USD
View
Retailer 19
-
HK$23,851 HKD
$3,040 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20781844A · Oct 30
HK$35,855 HKD
$4,570 USD
View
19 more retailers have this diamond
Prices start from HK$5,135 HKDSave up to HK$30,720 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
4.00ct Cushion
HK$5,135 HKD