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Cushion|Lab Grown|IGI

3.11ct H SI1 Cushion Lab Grown Diamond

VG • H/SI1 • IGI LG447069256

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

Certificate IGI LG447069256

Diamond specifications and retailer prices

From HK$6,928 HKD
As of November 6, 2026
Save HK$28,027 HKD (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$34,955 HKD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 3.11ct lab-grown cushion diamond

This 3.11ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG447069256 or 447069256. Listed at 8 retailers as of November 6, 2026, with prices from HK$6,928 to HK$34,955, a HK$28,027 spread on the same certified stone. Do Amore Diamonds lists it at HK$34,955. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.11
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447069256
Dimensions8.37 × 8.31 × 5.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
8.37 mm8.31 mm3.11 ctH / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447069256
Side View
Table 62.0%Crown 34.3°Girdle: THK-VTKPavilion 40.3°Culet: NoneDepth 69.2%

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 6
Current: HK$34,955 HKD|Low: HK$5,847 HKD|High: HK$34,955 HKD|Avg: HK$12,858 HKD|+28.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5HK$6,928 HKD
Retailer 3HK$6,936 HKD
Retailer 10HK$6,952 HKD
Retailer 4HK$7,587 HKD
Retailer 9HK$8,127 HKD
Retailer 8HK$11,270 HKD
Retailer 7HK$12,775 HKD
Retailer 6HK$18,332 HKD
Retailer 2HK$23,395 HKD
Do Amore DiamondsHK$34,955 HKD

8 data points across 10 retailers

8 retailersHK$6,928 HKD to HK$34,955 HKD

A
Cheapest Retailer
-
HK$6,928 HKD
B+
Retailer 2
-
HK$6,936 HKD
View
A
Retailer 3
-
HK$7,587 HKD
View
B+
Retailer 4
-
HK$11,270 HKD
View
Retailer 5
-
HK$12,775 HKD
View
Price last confirmed 16 days ago
B
Retailer 6
-
HK$18,332 HKD
View
B
Retailer 7
-
HK$23,395 HKD
View
Most Expensive
B
Do Amore Diamonds
27-19FC8B45B · Nov 6
HK$34,955 HKD
$4,460 USD
View
7 more retailers have this diamond
Prices start from HK$6,928 HKDSave up to HK$28,027 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
3.11ct Cushion
HK$6,928 HKD