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Cushion|Lab Grown|IGI

3.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG640416658

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG640416658

Diamond specifications and retailer prices

From HK$4,660 HKD
$594 USD
As of October 29, 2026
Save HK$32,293 HKD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$36,953 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG640416658 or 640416658. Listed at 16 retailers as of October 29, 2026, with prices from HK$4,660 to HK$36,953, a HK$32,293 spread on the same certified stone. Do Amore Diamonds lists it at HK$36,953. 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 angle36.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640416658
Dimensions8.46 × 8.30 × 5.57 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.46 mm8.30 mm3.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640416658
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 67.1%

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$6,513 HKD|Low: HK$3,333 HKD|High: HK$37,346 HKD|Avg: HK$11,053 HKD|-0.1%
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
October 30, 2026
Retailer 6HK$3,333 HKD
Retailer 3HK$4,660 HKD
Retailer 14HK$5,155 HKD
Retailer 11HK$5,963 HKD
Retailer 1HK$6,513 HKD
Retailer 2HK$7,948 HKD
Retailer 13HK$7,979 HKD
Retailer 5HK$8,018 HKD
Retailer 8HK$8,896 HKD
Retailer 7HK$12,020 HKD
Retailer 4HK$16,620 HKD
Retailer 12HK$19,120 HKD
Retailer 10HK$20,477 HKD
Retailer 9HK$24,840 HKD

42 data points across 14 retailers

16 retailersHK$4,660 HKD to HK$36,953 HKD

A
Cheapest Retailer
-
HK$4,660 HKD
$594 USD
Final sale: no returns
Retailer 2
-
HK$5,155 HKD
$657 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
HK$5,963 HKD
$760 USD
View
A
Retailer 4
-
HK$6,513 HKD
£654 GBP
View
A
Retailer 5
-
HK$7,948 HKD
$1,013 USD
View
A
Retailer 6
-
HK$7,979 HKD
$1,017 USD
View
A
Retailer 7
-
HK$8,018 HKD
$1,022 USD
View
A
Retailer 8
-
HK$8,896 HKD
£893 GBP
View
A
Retailer 9
-
HK$12,020 HKD
A$2,357 AUD
View
B+
Retailer 10
-
HK$16,620 HKD
£1,668 GBP
View
B+
Retailer 11
-
HK$17,511 HKD
$2,232 USD
View
B+
Retailer 12
-
HK$19,120 HKD
$2,437 USD
View
B+
Retailer 13
-
HK$19,342 HKD
$2,465 USD
View
Retailer 14
-
HK$20,477 HKD
$2,610 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
HK$24,840 HKD
£2,493 GBP
View
Most Expensive
B
Do Amore Diamonds
27-65C9DB818 · Oct 29
HK$36,953 HKD
$4,710 USD
View
15 more retailers have this diamond
Prices start from HK$4,660 HKDSave up to HK$32,293 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$4,660 HKD