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Cushion|Lab Grown|IGI

1.86ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG744513209

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG744513209

Diamond specifications and retailer prices

From HK$4,009 HKD
$511 USD
As of November 1, 2026
Save HK$25,491 HKD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$29,500 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.86ct lab-grown cushion diamond

This 1.86ct 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 LG744513209 or 744513209. Listed at 13 retailers as of October 31, 2026, with prices from HK$4,009 to HK$29,500, a HK$25,491 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

1.86
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513209
Dimensions8.21 × 8.21 × 6.39 mm
L/W Ratio1.00
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
8.21 mm8.21 mm1.86 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513209
Side View
Table 62.0%Crown 33.6°Girdle: STK-THKPavilion 41°Culet: NoneDepth 72.0%

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$29,500 HKD|Low: HK$4,009 HKD|High: HK$43,465 HKD|Avg: HK$15,207 HKD|-32.1%
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
November 1, 2026
Retailer 5HK$4,009 HKD
Retailer 10HK$5,194 HKD
Retailer 3HK$5,610 HKD
Retailer 12HK$6,151 HKD
Retailer 7HK$6,697 HKD
Retailer 4HK$9,383 HKD
Retailer 9HK$9,980 HKD
Retailer 13HK$11,477 HKD
Retailer 6HK$15,743 HKD
Retailer 8HK$24,963 HKD
Retailer 2HK$25,616 HKD
Retailer 11HK$27,774 HKD
Brilliant EarthHK$29,500 HKD

28 data points across 13 retailers

13 retailersHK$4,009 HKD to HK$29,500 HKD

A
Cheapest Retailer
-
HK$4,009 HKD
$511 USD
Final sale: no returns
A
Retailer 2
-
HK$5,194 HKD
$662 USD
View
A
Retailer 3
-
HK$5,610 HKD
$715 USD
View
A
Retailer 4
-
HK$6,151 HKD
$784 USD
View
A
Retailer 5
-
HK$6,697 HKD
€813 EUR
View
A
Retailer 6
-
HK$9,383 HKD
$1,196 USD
View
A
Retailer 7
-
HK$9,980 HKD
A$1,957 AUD
View
A
Retailer 8
-
HK$11,477 HKD
$1,463 USD
View
B+
Retailer 9
-
HK$15,743 HKD
£1,580 GBP
View
B+
Retailer 10
-
HK$24,963 HKD
A$4,895 AUD
View
B+
Retailer 11
-
HK$25,616 HKD
$3,265 USD
View
B
Retailer 12
-
HK$27,774 HKD
$3,540 USD
View
Most Expensive
B
Brilliant Earth
16861062Y · Oct 31
HK$29,500 HKD
$3,760 USD
View
12 more retailers have this diamond
Prices start from HK$4,009 HKDSave up to HK$25,491 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
1.86ct Cushion
HK$4,009 HKD