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Cushion|Lab Grown|IGI

1.89ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846662378

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846662378

Diamond specifications and retailer prices

From HK$5,602 HKD
£562 GBP
As of October 30, 2026
Save HK$27,664 HKD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$33,266 HKD at Brilliant Earth · As of October 31, 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 LG846662378 or 846662378. Listed at 11 retailers as of October 30, 2026, with prices from HK$5,602 to HK$33,266, a HK$27,664 spread on the same certified stone. Brilliant Earth lists it at HK$33,266. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662378
Dimensions7.98 × 6.63 × 4.57 mm
L/W Ratio1.20
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
7.98 mm6.63 mm1.89 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662378
Side View
Table 61.0%Crown 35.4°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 68.9%

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$33,266 HKD|Low: HK$5,602 HKD|High: HK$33,266 HKD|Avg: HK$16,462 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10HK$5,602 HKD
Retailer 6HK$6,355 HKD
Retailer 8HK$6,394 HKD
Retailer 9HK$8,152 HKD
Retailer 4HK$12,382 HKD
Retailer 2HK$12,812 HKD
Retailer 5HK$17,669 HKD
Retailer 7HK$19,269 HKD
Retailer 11HK$26,345 HKD
Retailer 3HK$28,794 HKD
Brilliant EarthHK$33,266 HKD

15 data points across 11 retailers

11 retailersHK$5,602 HKD to HK$33,266 HKD

A
Cheapest Retailer
-
HK$5,602 HKD
£562 GBP
A
Retailer 2
-
HK$6,355 HKD
$810 USD
View
A
Retailer 3
-
HK$6,394 HKD
$815 USD
View
A
Retailer 4
-
HK$8,152 HKD
$1,039 USD
View
A
Retailer 5
-
HK$12,382 HKD
€1,503 EUR
View
A
Retailer 6
-
HK$12,812 HKD
$1,633 USD
View
B+
Retailer 7
-
HK$17,669 HKD
$2,252 USD
View
B+
Retailer 8
-
HK$19,269 HKD
$2,456 USD
View
B+
Retailer 9
-
HK$26,345 HKD
£2,644 GBP
View
Retailer 10
-
HK$28,794 HKD
$3,670 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
22155369A · Oct 31
HK$33,266 HKD
$4,240 USD
View
10 more retailers have this diamond
Prices start from HK$5,602 HKDSave up to HK$27,664 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$5,602 HKD