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Cushion|Lab Grown|IGI

3.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG833671830

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG833671830

Diamond specifications and retailer prices

From HK$4,921 HKD
As of October 30, 2026
Save HK$27,717 HKD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$32,638 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833671830 or 833671830. Listed at 17 retailers as of October 28, 2026, with prices from HK$4,921 to HK$32,638, a HK$27,717 spread on the same certified stone. Brilliant Earth lists it at HK$32,638. 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

3.05
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833671830
Dimensions8.51 × 8.04 × 5.09 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.51 mm8.04 mm3.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833671830
Side View
Table 63.0%Crown 35.1°Girdle: MED-STKPavilion 32°Culet: NoneDepth 63.3%

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 30
Current: HK$32,638 HKD|Low: HK$3,923 HKD|High: HK$34,600 HKD|Avg: HK$12,539 HKD|+10.6%
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
October 31, 2026
Retailer 9HK$4,088 HKD
Retailer 17HK$4,921 HKD
Retailer 3HK$5,192 HKD
Retailer 13HK$5,649 HKD
Retailer 12HK$6,796 HKD
Retailer 4HK$7,077 HKD
Retailer 14HK$7,460 HKD
Retailer 18HK$9,633 HKD
Retailer 16HK$9,741 HKD
Retailer 7HK$10,160 HKD
Retailer 2HK$10,301 HKD
Retailer 8HK$14,792 HKD
Retailer 5HK$16,009 HKD
Retailer 15HK$16,650 HKD
Retailer 6HK$16,939 HKD
Retailer 10HK$17,558 HKD
Retailer 11HK$19,285 HKD
Brilliant EarthHK$32,638 HKD

37 data points across 18 retailers

17 retailersHK$4,921 HKD to HK$32,638 HKD

A
Cheapest Retailer
-
HK$4,921 HKD
Retailer 2
-
HK$5,192 HKD
£521 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
HK$5,649 HKD
$720 USD
View
A
Retailer 4
-
HK$6,796 HKD
€825 EUR
View
B+
Retailer 5
-
HK$7,077 HKD
$902 USD
View
A
Retailer 6
-
HK$7,460 HKD
£749 GBP
View
Retailer 7
-
HK$9,633 HKD
A$1,889 AUD
View
Price last confirmed 11 days ago
A
Retailer 8
-
HK$9,741 HKD
ZAR 20,058 ZAR
View
A
Retailer 9
-
HK$10,160 HKD
$1,295 USD
View
A
Retailer 10
-
HK$10,301 HKD
$1,313 USD
View
B+
Retailer 11
-
HK$14,792 HKD
$1,885 USD
View
B+
Retailer 12
-
HK$16,009 HKD
$2,040 USD
View
B+
Retailer 13
-
HK$16,650 HKD
£1,671 GBP
View
B+
Retailer 14
-
HK$16,939 HKD
$2,159 USD
View
Retailer 15
-
HK$17,558 HKD
A$3,443 AUD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
HK$19,285 HKD
$2,458 USD
View
Most Expensive
B
Brilliant Earth
21423458A · Oct 28
HK$32,638 HKD
$4,160 USD
View
16 more retailers have this diamond
Prices start from HK$4,921 HKDSave up to HK$27,717 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
3.05ct Cushion
HK$4,921 HKD