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Cushion|Lab Grown|IGI

3.05ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG813655575

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813655575

Diamond specifications and retailer prices

From HK$5,188 HKD
As of November 7, 2026
Save HK$31,961 HKD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$37,149 HKD at Do Amore Diamonds · As of November 6, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG813655575 or 813655575. Listed at 11 retailers as of November 6, 2026, with prices from HK$5,188 to HK$37,149, a HK$31,961 spread on the same certified stone. Do Amore Diamonds lists it at HK$37,149. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.3°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813655575
Dimensions10.12 × 7.40 × 4.91 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
10.12 mm7.40 mm3.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813655575
Side View
Table 62.0%Crown 30.3°Girdle: MED-THKPavilion 32.5°Culet: NoneDepth 66.4%

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: Nov 7
Current: HK$37,149 HKD|Low: HK$5,188 HKD|High: HK$37,149 HKD|Avg: HK$13,527 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 8HK$5,188 HKD
Retailer 6HK$6,270 HKD
Retailer 10HK$6,873 HKD
Retailer 7HK$7,767 HKD
Retailer 5HK$8,841 HKD
Retailer 9HK$12,830 HKD
Retailer 4HK$20,847 HKD
Retailer 3HK$24,429 HKD
Retailer 2HK$24,743 HKD
Do Amore DiamondsHK$37,149 HKD

37 data points across 10 retailers

11 retailersHK$5,188 HKD to HK$37,149 HKD

A
Cheapest Retailer
-
HK$5,188 HKD
A
Retailer 2
-
HK$6,270 HKD
View
B+
Retailer 3
-
HK$6,873 HKD
View
A
Retailer 4
-
HK$7,767 HKD
View
A
Retailer 5
-
HK$8,841 HKD
View
B+
Retailer 6
-
HK$9,656 HKD
View
B+
Retailer 7
-
HK$12,830 HKD
View
B
Retailer 8
-
HK$20,847 HKD
View
B
Retailer 9
-
HK$24,429 HKD
View
B
Retailer 10
-
HK$24,743 HKD
View
Most Expensive
B
Do Amore Diamonds
27-7D1B39CDE · Nov 6
HK$37,149 HKD
$4,740 USD
View
10 more retailers have this diamond
Prices start from HK$5,188 HKDSave up to HK$31,961 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$5,188 HKD