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Cushion|Lab Grown|IGI

1.86ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG836616537

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836616537

Diamond specifications and retailer prices

From HK$5,657 HKD
$721 USD
As of October 30, 2026
Save HK$23,843 HKD (81%) vs most expensive(unlock to see where)
18 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836616537 or 836616537. Listed at 18 retailers as of October 30, 2026, with prices from HK$5,657 to HK$29,500, a HK$23,843 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616537
Dimensions8.83 × 6.17 × 4.20 mm
L/W Ratio1.43
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
8.83 mm6.17 mm1.86 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616537
Side View
Table 60.0%Crown 36.9°Girdle: STK-THKPavilion 39°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
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$29,500 HKD|Low: HK$5,657 HKD|High: HK$42,210 HKD|Avg: HK$16,404 HKD|-30.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 5HK$5,657 HKD
Retailer 9HK$6,222 HKD
Retailer 13HK$6,350 HKD
Retailer 16HK$7,100 HKD
Retailer 6HK$7,783 HKD
Retailer 11HK$9,184 HKD
Retailer 17HK$9,407 HKD
Retailer 2HK$9,861 HKD
Retailer 14HK$10,568 HKD
Retailer 3HK$12,498 HKD
Retailer 12HK$13,369 HKD
Retailer 7HK$18,877 HKD
Retailer 4HK$19,853 HKD
Retailer 8HK$20,489 HKD
Retailer 18HK$24,262 HKD
Retailer 10HK$26,675 HKD
Retailer 15HK$28,323 HKD
Brilliant EarthHK$29,500 HKD

16 data points across 18 retailers

18 retailersHK$5,657 HKD to HK$29,500 HKD

A
Cheapest Retailer
-
HK$5,657 HKD
$721 USD
Final sale: no returns
Retailer 2
-
HK$6,222 HKD
$793 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
HK$6,350 HKD
£637 GBP
View
A
Retailer 4
-
HK$7,100 HKD
$905 USD
View
A
Retailer 5
-
HK$7,783 HKD
$992 USD
View
A
Retailer 6
-
HK$9,184 HKD
£922 GBP
View
A
Retailer 7
-
HK$9,407 HKD
$1,199 USD
View
A
Retailer 8
-
HK$9,861 HKD
€1,197 EUR
View
A
Retailer 9
-
HK$10,568 HKD
ZAR 21,761 ZAR
View
A
Retailer 10
-
HK$12,498 HKD
$1,593 USD
View
A
Retailer 11
-
HK$13,369 HKD
$1,704 USD
View
B+
Retailer 12
-
HK$18,877 HKD
$2,406 USD
View
B+
Retailer 13
-
HK$19,853 HKD
$2,530 USD
View
B+
Retailer 14
-
HK$20,489 HKD
SGD 3,529 SGD
View
B+
Retailer 15
-
HK$24,262 HKD
£2,435 GBP
View
B
Retailer 16
-
HK$26,675 HKD
$3,400 USD
View
B
Retailer 17
-
HK$28,323 HKD
$3,610 USD
View
Most Expensive
B
Brilliant Earth
21861632A · Oct 31
HK$29,500 HKD
$3,760 USD
View
17 more retailers have this diamond
Prices start from HK$5,657 HKDSave up to HK$23,843 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$5,657 HKD