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Cushion|Lab Grown|IGI

1.86ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG840633271

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

Certificate IGI LG840633271

Diamond specifications and retailer prices

From HK$5,829 HKD
$743 USD
As of October 30, 2026
Save HK$26,887 HKD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$32,717 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840633271 or 840633271. Listed at 20 retailers as of October 30, 2026, with prices from HK$5,829 to HK$32,717, a HK$26,887 spread on the same certified stone. Brilliant Earth lists it at HK$32,717. 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 angle35°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840633271
Dimensions7.16 × 6.99 × 4.77 mm
L/W Ratio1.02
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
7.16 mm6.99 mm1.86 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840633271
Side View
Table 56.0%Crown 35°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 68.2%

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: Oct 30
Current: HK$32,717 HKD|Low: HK$4,299 HKD|High: HK$46,760 HKD|Avg: HK$17,022 HKD|-30.0%
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
October 31, 2026
Retailer 5HK$5,829 HKD
Retailer 12HK$5,853 HKD
Retailer 16HK$6,293 HKD
Retailer 18HK$6,865 HKD
Retailer 8HK$7,681 HKD
Retailer 19HK$9,093 HKD
Retailer 13HK$9,290 HKD
Retailer 2HK$10,149 HKD
Retailer 17HK$10,198 HKD
Retailer 3HK$12,365 HKD
Retailer 14HK$12,843 HKD
Retailer 7HK$17,218 HKD
Retailer 4HK$19,180 HKD
Retailer 15HK$20,258 HKD
Retailer 9HK$21,081 HKD
Retailer 20HK$25,797 HKD
Retailer 11HK$28,048 HKD
Retailer 10HK$28,323 HKD
Retailer 6HK$29,712 HKD
Brilliant EarthHK$32,717 HKD

24 data points across 20 retailers

20 retailersHK$5,829 HKD to HK$32,717 HKD

A
Cheapest Retailer
-
HK$5,829 HKD
$743 USD
Final sale: no returns
Retailer 2
-
HK$5,853 HKD
$746 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
HK$6,293 HKD
£632 GBP
View
A
Retailer 4
-
HK$6,865 HKD
$875 USD
View
A
Retailer 5
-
HK$7,681 HKD
$979 USD
View
A
Retailer 6
-
HK$9,093 HKD
$1,159 USD
View
A
Retailer 7
-
HK$9,290 HKD
£932 GBP
View
A
Retailer 8
-
HK$10,149 HKD
€1,232 EUR
View
A
Retailer 9
-
HK$10,198 HKD
ZAR 20,998 ZAR
View
A
Retailer 10
-
HK$12,365 HKD
$1,576 USD
View
A
Retailer 11
-
HK$12,843 HKD
$1,637 USD
View
B+
Retailer 12
-
HK$17,218 HKD
£1,728 GBP
View
B+
Retailer 13
-
HK$19,180 HKD
$2,445 USD
View
B+
Retailer 14
-
HK$20,258 HKD
$2,582 USD
View
B+
Retailer 15
-
HK$21,081 HKD
SGD 3,631 SGD
View
B+
Retailer 16
-
HK$25,797 HKD
£2,589 GBP
View
B
Retailer 17
-
HK$28,048 HKD
$3,575 USD
View
Retailer 18
-
HK$28,323 HKD
$3,610 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
HK$29,712 HKD
$3,787 USD
View
Most Expensive
B
Brilliant Earth
21729253A · Oct 31
HK$32,717 HKD
$4,170 USD
View
19 more retailers have this diamond
Prices start from HK$5,829 HKDSave up to HK$26,887 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$5,829 HKD