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Cushion|Lab Grown|IGI

1.72ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG711518391

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG711518391

Diamond specifications and retailer prices

From HK$4,912 HKD
$626 USD
As of October 30, 2026
Save HK$35,419 HKD (88%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$40,330 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.72ct lab-grown cushion diamond

This 1.72ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG711518391 or 711518391. Listed at 7 retailers as of October 29, 2026, with prices from HK$4,912 to HK$40,330, a HK$35,419 spread on the same certified stone. Do Amore Diamonds lists it at HK$40,330. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG711518391
Dimensions8.63 × 6.01 × 3.89 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm6.01 mm1.72 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG711518391
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 30.9°Culet: NoneDepth 64.7%

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 30
Current: HK$40,330 HKD|Low: HK$3,507 HKD|High: HK$43,626 HKD|Avg: HK$18,386 HKD|+5.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 9HK$4,912 HKD
Retailer 5HK$7,948 HKD
Retailer 6HK$8,662 HKD
Retailer 7HK$8,945 HKD
Retailer 4HK$12,179 HKD
Retailer 11HK$13,661 HKD
Retailer 8HK$14,954 HKD
Retailer 12HK$19,731 HKD
Retailer 3HK$22,688 HKD
Retailer 10HK$23,434 HKD
Retailer 2HK$24,613 HKD
Do Amore DiamondsHK$40,330 HKD

23 data points across 12 retailers

7 retailersHK$4,912 HKD to HK$40,330 HKD

A
Cheapest Retailer
-
HK$4,912 HKD
$626 USD
Final sale: no returns
A
Retailer 2
-
HK$7,948 HKD
$1,013 USD
View
A
Retailer 3
-
HK$8,662 HKD
$1,104 USD
View
A
Retailer 4
-
HK$8,945 HKD
$1,140 USD
View
Retailer 5
-
HK$14,954 HKD
A$2,932 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$24,613 HKD
£2,470 GBP
View
Most Expensive
B
Do Amore Diamonds
27-9D70D4985 · Oct 29
HK$40,330 HKD
$5,140 USD
View
6 more retailers have this diamond
Prices start from HK$4,912 HKDSave up to HK$35,419 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
1.72ct Cushion
HK$4,912 HKD