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Cushion|Lab Grown|IGI

1.86ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG828664278

Shape and cutting style on the report: Square cushion antique cut

Certificate IGI LG828664278

Diamond specifications and retailer prices

From HK$10,529 HKD
$1,342 USD
As of October 31, 2026
Save HK$63,142 HKD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$73,671 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828664278 or 828664278. Listed at 10 retailers as of October 31, 2026, with prices from HK$10,529 to HK$73,671, a HK$63,142 spread on the same certified stone. Do Amore Diamonds lists it at HK$73,671. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828664278
Dimensions7.78 × 7.41 × 4.49 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizeLarge
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
7.78 mm7.41 mm1.86 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828664278
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 39.9°Culet: LargeDepth 60.6%

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: Oct 31
Current: HK$73,671 HKD|Low: HK$10,529 HKD|High: HK$73,671 HKD|Avg: HK$28,644 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8HK$10,529 HKD
Retailer 7HK$10,772 HKD
Retailer 10HK$15,848 HKD
Retailer 2HK$16,762 HKD
Retailer 6HK$16,986 HKD
Retailer 5HK$29,712 HKD
Retailer 9HK$30,359 HKD
Retailer 4HK$38,411 HKD
Retailer 3HK$42,141 HKD
Do Amore DiamondsHK$73,671 HKD

36 data points across 10 retailers

10 retailersHK$10,529 HKD to HK$73,671 HKD

A
Cheapest Retailer
-
HK$10,529 HKD
$1,342 USD
Retailer 2
-
HK$10,772 HKD
$1,373 USD
View
Price last confirmed 15 days ago
Retailer 3
-
HK$15,848 HKD
$2,020 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
HK$16,762 HKD
£1,682 GBP
View
B+
Retailer 5
-
HK$16,986 HKD
$2,165 USD
View
B+
Retailer 6
-
HK$29,712 HKD
$3,787 USD
View
B
Retailer 7
-
HK$30,359 HKD
$3,869 USD
View
B
Retailer 8
-
HK$38,411 HKD
£3,855 GBP
View
B
Retailer 9
-
HK$42,141 HKD
$5,371 USD
View
Most Expensive
B
Do Amore Diamonds
20-E98518 · Oct 31
HK$73,671 HKD
$9,390 USD
View
9 more retailers have this diamond
Prices start from HK$10,529 HKDSave up to HK$63,142 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$10,529 HKD