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Cushion|Lab Grown|IGI

1.72ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG522229679

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG522229679

Diamond specifications and retailer prices

From HK$2,283 HKD
$291 USD
As of November 1, 2026
Save HK$18,037 HKD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$20,320 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522229679 or 522229679. Listed at 17 retailers as of October 29, 2026, with prices from HK$2,283 to HK$20,320, a HK$18,037 spread on the same certified stone. Do Amore Diamonds lists it at HK$20,320. 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

1.72
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522229679
Dimensions7.80 × 6.58 × 4.54 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.80 mm6.58 mm1.72 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522229679
Side View
Table 64.0%Crown 32.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 69.0%

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 1
Current: HK$18,124 HKD|Low: HK$2,087 HKD|High: HK$20,320 HKD|Avg: HK$7,642 HKD|-2.1%
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
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 3HK$2,283 HKD
Retailer 13HK$2,534 HKD
Retailer 15HK$3,389 HKD
Retailer 12HK$3,413 HKD
Retailer 9HK$3,582 HKD
Retailer 2HK$3,805 HKD
Retailer 10HK$4,906 HKD
Retailer 14HK$7,257 HKD
Retailer 6HK$7,572 HKD
Retailer 5HK$8,481 HKD
Retailer 8HK$10,297 HKD
Retailer 11HK$11,279 HKD
Retailer 4HK$11,588 HKD
Retailer 7HK$13,102 HKD
Do Amore DiamondsHK$18,124 HKD

42 data points across 15 retailers

17 retailersHK$2,283 HKD to HK$20,320 HKD

A
Cheapest Retailer
-
HK$2,283 HKD
$291 USD
Final sale: no returns
Retailer 2
-
HK$2,534 HKD
$323 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
HK$3,389 HKD
$432 USD
View
A
Retailer 4
-
HK$3,413 HKD
$435 USD
View
A
Retailer 5
-
HK$3,582 HKD
£360 GBP
View
A
Retailer 6
-
HK$3,805 HKD
$485 USD
View
Retailer 7
-
HK$4,889 HKD
£491 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
HK$4,906 HKD
£492 GBP
View
B+
Retailer 9
-
HK$7,257 HKD
$925 USD
View
B+
Retailer 10
-
HK$7,572 HKD
$965 USD
View
B+
Retailer 11
-
HK$7,655 HKD
CA$1,355 CAD
View
B+
Retailer 12
-
HK$8,481 HKD
$1,081 USD
View
B
Retailer 13
-
HK$10,297 HKD
$1,312 USD
View
B
Retailer 14
-
HK$11,279 HKD
£1,132 GBP
View
B
Retailer 15
-
HK$11,588 HKD
SGD 1,996 SGD
View
B
Retailer 16
-
HK$18,124 HKD
$2,310 USD
View
Most Expensive
B
Do Amore Diamonds
27-64AF8FEAD · Oct 29
HK$20,320 HKD
$2,590 USD
View
16 more retailers have this diamond
Prices start from HK$2,283 HKDSave up to HK$18,037 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$2,283 HKD