CaratHunter
Plans
Cushion|Lab Grown|IGI

1.89ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG836607909

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836607909

Diamond specifications and retailer prices

From HK$5,798 HKD
$739 USD
As of October 30, 2026
Save HK$29,508 HKD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$35,306 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.89ct lab-grown cushion diamond

This 1.89ct 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 LG836607909 or 836607909. Listed at 17 retailers as of October 30, 2026, with prices from HK$5,798 to HK$35,306, a HK$29,508 spread on the same certified stone. Brilliant Earth lists it at HK$35,306. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836607909
Dimensions9.08 × 6.22 × 4.18 mm
L/W Ratio1.46
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
9.08 mm6.22 mm1.89 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836607909
Side View
Table 62.0%Crown 34°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 67.2%

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 30
Current: HK$35,306 HKD|Low: HK$5,798 HKD|High: HK$47,545 HKD|Avg: HK$16,619 HKD|-25.7%
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
October 31, 2026
Retailer 4HK$5,798 HKD
Retailer 9HK$6,371 HKD
Retailer 13HK$6,722 HKD
Retailer 11HK$7,336 HKD
Retailer 10HK$9,477 HKD
Retailer 15HK$9,674 HKD
Retailer 2HK$10,100 HKD
Retailer 14HK$10,893 HKD
Retailer 16HK$12,820 HKD
Retailer 12HK$13,761 HKD
Retailer 3HK$18,414 HKD
Retailer 5HK$19,449 HKD
Retailer 17HK$20,457 HKD
Retailer 6HK$20,988 HKD
Retailer 8HK$25,139 HKD
Retailer 7HK$28,833 HKD
Brilliant EarthHK$35,306 HKD

27 data points across 17 retailers

17 retailersHK$5,798 HKD to HK$35,306 HKD

A
Cheapest Retailer
-
HK$5,798 HKD
$739 USD
Final sale: no returns
Retailer 2
-
HK$6,371 HKD
$812 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
HK$6,722 HKD
£675 GBP
View
A
Retailer 4
-
HK$7,336 HKD
$935 USD
View
A
Retailer 5
-
HK$9,477 HKD
£951 GBP
View
A
Retailer 6
-
HK$9,674 HKD
$1,233 USD
View
A
Retailer 7
-
HK$10,100 HKD
€1,226 EUR
View
A
Retailer 8
-
HK$10,893 HKD
ZAR 22,430 ZAR
View
A
Retailer 9
-
HK$12,820 HKD
$1,634 USD
View
B+
Retailer 10
-
HK$13,761 HKD
$1,754 USD
View
B+
Retailer 11
-
HK$18,414 HKD
£1,848 GBP
View
B+
Retailer 12
-
HK$19,449 HKD
$2,479 USD
View
B+
Retailer 13
-
HK$20,457 HKD
$2,607 USD
View
B+
Retailer 14
-
HK$20,988 HKD
SGD 3,615 SGD
View
Retailer 15
-
HK$25,139 HKD
£2,523 GBP
View
Price last confirmed 13 days ago
Retailer 16
-
HK$28,833 HKD
$3,675 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21640937A · Oct 30
HK$35,306 HKD
$4,500 USD
View
16 more retailers have this diamond
Prices start from HK$5,798 HKDSave up to HK$29,508 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
1.89ct Cushion
HK$5,798 HKD