Cushion|Lab Grown|IGI

1.83ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG683520322

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG683520322

Diamond specifications and retailer prices

From HK$3,468 HKD
$442 USD
As of November 1, 2026
Save HK$26,032 HKD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$29,500 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 LG683520322 or 683520322. Listed at 21 retailers as of October 31, 2026, with prices from HK$3,468 to HK$29,500, a HK$26,032 spread on the same certified stone. Brilliant Earth lists it at HK$29,500. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683520322
Dimensions8.77 × 6.41 × 4.28 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
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
8.77 mm6.41 mm1.83 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683520322
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$29,500 HKD|Low: HK$3,468 HKD|High: HK$41,504 HKD|Avg: HK$13,281 HKD|-28.9%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 9HK$3,468 HKD
Retailer 3HK$4,519 HKD
Retailer 18HK$5,222 HKD
Retailer 12HK$5,500 HKD
Retailer 13HK$5,516 HKD
Retailer 17HK$5,531 HKD
Retailer 4HK$5,861 HKD
Retailer 14HK$6,963 HKD
Retailer 16HK$7,306 HKD
Retailer 20HK$8,968 HKD
Retailer 15HK$9,899 HKD
Retailer 8HK$12,435 HKD
Retailer 6HK$14,201 HKD
Retailer 7HK$14,413 HKD
Retailer 11HK$14,846 HKD
Retailer 10HK$15,101 HKD
Retailer 2HK$15,614 HKD
Retailer 19HK$25,616 HKD
Retailer 5HK$27,617 HKD
Brilliant EarthHK$29,500 HKD

42 data points across 20 retailers

21 retailersHK$3,468 HKD to HK$29,500 HKD

A
Cheapest Retailer
-
HK$3,468 HKD
$442 USD
Final sale: no returns
Retailer 2
-
HK$4,519 HKD
£454 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
HK$5,222 HKD
View
Retailer 4
-
HK$5,500 HKD
$701 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
HK$5,516 HKD
$703 USD
View
A
Retailer 6
-
HK$5,531 HKD
$705 USD
View
A
Retailer 7
-
HK$5,861 HKD
$747 USD
View
A
Retailer 8
-
HK$6,963 HKD
£699 GBP
View
A
Retailer 9
-
HK$7,306 HKD
ZAR 15,043 ZAR
View
A
Retailer 10
-
HK$8,968 HKD
$1,143 USD
View
A
Retailer 11
-
HK$9,899 HKD
A$1,941 AUD
View
A
Retailer 12
-
HK$12,435 HKD
£1,248 GBP
View
B+
Retailer 13
-
HK$14,201 HKD
$1,810 USD
View
B+
Retailer 14
-
HK$14,413 HKD
$1,837 USD
View
B+
Retailer 15
-
HK$14,846 HKD
$1,892 USD
View
B+
Retailer 16
-
HK$15,101 HKD
SGD 2,601 SGD
View
B+
Retailer 17
-
HK$15,614 HKD
£1,567 GBP
View
B+
Retailer 18
-
HK$25,616 HKD
$3,265 USD
View
B
Retailer 19
-
HK$26,504 HKD
£2,660 GBP
View
B
Retailer 20
-
HK$27,617 HKD
$3,520 USD
View
Most Expensive
B
Brilliant Earth
20467239Y · Oct 31
HK$29,500 HKD
$3,760 USD
View
20 more retailers have this diamond
Prices start from HK$3,468 HKDSave up to HK$26,032 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$3,468 HKD