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Cushion|Lab Grown|IGI

3.05ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG811666654

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811666654

Diamond specifications and retailer prices

From HK$3,044 HKD
$388 USD
As of November 1, 2026
Save HK$18,532 HKD (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$21,576 HKD at Brilliant Earth · As of October 31, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811666654 or 811666654. Listed at 4 retailers as of October 31, 2026, with prices from HK$3,044 to HK$21,576, a HK$18,532 spread on the same certified stone. Brilliant Earth lists it at HK$21,576. 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
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811666654
Dimensions10.24 × 7.49 × 5.03 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.24 mm7.49 mm3.05 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811666654
Side View
Table 63.0%Crown 35.7°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 67.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$21,576 HKD|Low: HK$3,044 HKD|High: HK$22,909 HKD|Avg: HK$9,630 HKD|-5.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3HK$3,044 HKD
Retailer 5HK$4,786 HKD
Retailer 7HK$5,555 HKD
Retailer 2HK$6,262 HKD
Retailer 6HK$11,890 HKD
Retailer 4HK$14,554 HKD
Brilliant EarthHK$21,576 HKD

40 data points across 7 retailers

4 retailersHK$3,044 HKD to HK$21,576 HKD

A
Cheapest Retailer
-
HK$3,044 HKD
$388 USD
Final sale: no returns
A
Retailer 2
-
HK$6,262 HKD
£628 GBP
View
Retailer 3
-
HK$14,554 HKD
$1,855 USD
View
Price last confirmed 28 days ago
Most Expensive
B
Brilliant Earth
21247747A · Oct 31
HK$21,576 HKD
$2,750 USD
View
3 more retailers have this diamond
Prices start from HK$3,044 HKDSave up to HK$18,532 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$3,044 HKD