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Cushion|Lab Grown|IGI

3.56ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG811678412

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG811678412

Diamond specifications and retailer prices

From HK$7,908 HKD
$1,008 USD
As of October 29, 2026
Save HK$47,639 HKD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$55,548 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.56ct lab-grown cushion diamond

This 3.56ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811678412 or 811678412. Listed at 20 retailers as of October 29, 2026, with prices from HK$7,908 to HK$55,548, a HK$47,639 spread on the same certified stone. Brilliant Earth lists it at HK$55,548. 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

3.56
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811678412
Dimensions9.00 × 8.94 × 5.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.00 mm8.94 mm3.56 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811678412
Side View
Table 65.0%Crown 33.5°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 63.4%

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 29
Current: HK$55,548 HKD|Low: HK$7,908 HKD|High: HK$55,548 HKD|Avg: HK$21,040 HKD
Brilliant Earth
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
Retailer 19
Retailer 20
October 30, 2026
Retailer 20HK$7,908 HKD
Retailer 12HK$8,834 HKD
Retailer 2HK$9,543 HKD
Retailer 17HK$10,505 HKD
Retailer 10HK$10,631 HKD
Retailer 3HK$11,706 HKD
Retailer 13HK$12,625 HKD
Retailer 14HK$13,865 HKD
Retailer 9HK$17,315 HKD
Retailer 15HK$19,043 HKD
Retailer 18HK$19,410 HKD
Retailer 7HK$19,940 HKD
Retailer 5HK$22,598 HKD
Retailer 6HK$25,663 HKD
Retailer 4HK$26,919 HKD
Retailer 16HK$27,959 HKD
Retailer 19HK$28,492 HKD
Retailer 8HK$32,246 HKD
Retailer 11HK$33,714 HKD
Brilliant EarthHK$55,548 HKD

25 data points across 20 retailers

20 retailersHK$7,908 HKD to HK$55,548 HKD

A
Cheapest Retailer
-
HK$7,908 HKD
$1,008 USD
Final sale: no returns
Retailer 2
-
HK$8,834 HKD
$1,126 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
HK$9,543 HKD
£958 GBP
View
A
Retailer 4
-
HK$10,505 HKD
$1,339 USD
View
A
Retailer 5
-
HK$10,631 HKD
$1,355 USD
View
A
Retailer 6
-
HK$11,706 HKD
$1,492 USD
View
A
Retailer 7
-
HK$12,625 HKD
£1,267 GBP
View
A
Retailer 8
-
HK$13,865 HKD
€1,683 EUR
View
A
Retailer 9
-
HK$17,315 HKD
$2,207 USD
View
A
Retailer 10
-
HK$19,043 HKD
ZAR 39,211 ZAR
View
A
Retailer 11
-
HK$19,410 HKD
$2,474 USD
View
Retailer 12
-
HK$19,940 HKD
A$3,910 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
HK$22,598 HKD
£2,268 GBP
View
B+
Retailer 14
-
HK$25,663 HKD
$3,271 USD
View
B+
Retailer 15
-
HK$26,919 HKD
$3,431 USD
View
B+
Retailer 16
-
HK$27,959 HKD
£2,806 GBP
View
B+
Retailer 17
-
HK$28,492 HKD
$3,632 USD
View
Retailer 18
-
HK$32,246 HKD
$4,110 USD
View
Price last confirmed 9 days ago
Retailer 19
-
HK$33,714 HKD
A$6,611 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
21212236A · Oct 29
HK$55,548 HKD
$7,080 USD
View
19 more retailers have this diamond
Prices start from HK$7,908 HKDSave up to HK$47,639 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
3.56ct Cushion
HK$7,908 HKD