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Cushion|Lab Grown|IGI

3.51ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG819622102

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG819622102

Diamond specifications and retailer prices

From HK$14,696 HKD
£1,475 GBP
As of October 22, 2026
2 retailers carry this diamond
Most expensive: HK$34,721 HKD at Taylor and Hart · As of October 21, 2026
View at Taylor and Hart

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG819622102 or 819622102. Listed at 2 retailers as of October 21, 2026. 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

3.51
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819622102
Dimensions11.08 × 7.79 × 5.15 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.08 mm7.79 mm3.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819622102
Side View
Table 62.0%Crown 35.4°Girdle: MED-THKPavilion 34.8°Culet: NoneDepth 66.1%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 22
Current: HK$14,696 HKD|Low: HK$6,366 HKD|High: HK$34,721 HKD|Avg: HK$21,706 HKD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
October 22, 2026
Retailer 7HK$6,366 HKD
Retailer 5HK$9,933 HKD
Retailer 6HK$12,686 HKD
Retailer 1HK$14,696 HKD
Retailer 3HK$15,809 HKD
Retailer 2HK$28,762 HKD
Retailer 8HK$32,238 HKD
Retailer 4HK$34,097 HKD
Taylor and HartHK$34,721 HKD

15 data points across 9 retailers

2 retailersHK$14,696 HKD to HK$34,721 HKD

Retailer 1
-
HK$14,696 HKD
£1,475 GBP
Price last confirmed 9 days ago
Most Expensive
Taylor and Hart
PZX3093 · Oct 21
HK$34,721 HKD
$4,425 USD
View
Price last confirmed 9 days ago
1 more retailer has this diamond

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.

3.51ct Cushion
HK$14,696 HKD