CaratHunter
Plans
Cushion|Lab Grown|IGI

1.73ct D SI1 Cushion Lab Grown Diamond

VG • D/SI1 • IGI LG576348168

Certificate IGI LG576348168

Diamond specifications and retailer prices

From HK$9,776 HKD
$1,246 USD
As of October 31, 2026
Save HK$3,562 HKD (27%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$13,338 HKD at Zales · As of October 30, 2026
View at Zales

About this 1.73ct lab-grown cushion diamond

This 1.73ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG576348168 or 576348168. Listed at 4 retailers as of October 30, 2026, with prices from HK$9,776 to HK$13,338, a HK$3,562 spread on the same certified stone. Zales lists it at HK$13,338. 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

1.73
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG576348168
Dimensions8.72 × 6.29 × 4.30 mm
L/W Ratio1.39
Top View
8.72 mm6.29 mm1.73 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576348168
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$9,776 HKD|Low: HK$9,776 HKD|High: HK$16,476 HKD|Avg: HK$13,266 HKD
Retailer 1
Retailer 2
Retailer 3
Zales
September 26, 2026
Retailer 1HK$9,776 HKD
Retailer 3HK$11,141 HKD
Retailer 2HK$13,338 HKD
ZalesHK$13,338 HKD

11 data points across 4 retailers

4 retailersHK$9,776 HKD to HK$13,338 HKD

B
Cheapest Retailer
-
HK$9,776 HKD
$1,246 USD
B
Retailer 2
-
HK$11,141 HKD
$1,420 USD
View
B
Retailer 3
-
HK$13,338 HKD
$1,700 USD
View
Most Expensive
B
Zales
517316035 · Oct 30
HK$13,338 HKD
$1,700 USD
View
3 more retailers have this diamond
Prices start from HK$9,776 HKDSave up to HK$3,562 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.

B
1.73ct Cushion
HK$9,776 HKD