Cushion|Lab Grown|IGI

1.83ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG817682190

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

Certificate IGI LG817682190

Diamond specifications and retailer prices

From HK$5,704 HKD
$727 USD
As of November 1, 2026
Save HK$23,482 HKD (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$29,186 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.83ct lab-grown cushion diamond

This 1.83ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817682190 or 817682190. Listed at 8 retailers as of October 31, 2026, with prices from HK$5,704 to HK$29,186, a HK$23,482 spread on the same certified stone. Brilliant Earth lists it at HK$29,186. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817682190
Dimensions7.21 × 7.21 × 4.36 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.21 mm7.21 mm1.83 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817682190
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 32.6°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A+
Exceptional
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$29,186 HKD|Low: HK$5,100 HKD|High: HK$43,151 HKD|Avg: HK$14,477 HKD|-32.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5HK$5,704 HKD
Retailer 2HK$5,845 HKD
Retailer 6HK$5,869 HKD
Retailer 8HK$8,477 HKD
Retailer 4HK$8,552 HKD
Retailer 3HK$9,007 HKD
Retailer 7HK$14,518 HKD
Brilliant EarthHK$29,186 HKD

30 data points across 8 retailers

8 retailersHK$5,704 HKD to HK$29,186 HKD

A+
Cheapest Retailer
-
HK$5,704 HKD
$727 USD
A
Retailer 2
-
HK$5,845 HKD
$745 USD
View
A
Retailer 3
-
HK$5,869 HKD
$748 USD
View
A
Retailer 4
-
HK$8,477 HKD
€1,029 EUR
View
A
Retailer 5
-
HK$8,552 HKD
A$1,677 AUD
View
A
Retailer 6
-
HK$9,007 HKD
$1,148 USD
View
B+
Retailer 7
-
HK$14,518 HKD
£1,457 GBP
View
Most Expensive
B
Brilliant Earth
20711726A · Oct 31
HK$29,186 HKD
$3,720 USD
View
7 more retailers have this diamond
Prices start from HK$5,704 HKDSave up to HK$23,482 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+
1.83ct Cushion
HK$5,704 HKD