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Cushion|Lab Grown|IGI

1.89ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG839647791

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839647791

Diamond specifications and retailer prices

From HK$4,754 HKD
$606 USD
As of October 27, 2026
Save HK$34,236 HKD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$38,990 HKD at Brilliant Earth · As of October 28, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839647791 or 839647791. Listed at 19 retailers as of October 27, 2026, with prices from HK$4,754 to HK$38,990, a HK$34,236 spread on the same certified stone. Brilliant Earth lists it at HK$38,990. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647791
Dimensions8.72 × 6.26 × 3.95 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.72 mm6.26 mm1.89 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647791
Side View
Table 66.0%Crown 33.6°Girdle: MED-THKPavilion 32.8°Culet: NoneDepth 63.1%

Caratlytics Score

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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 27
Current: HK$38,990 HKD|Low: HK$4,754 HKD|High: HK$38,990 HKD|Avg: HK$14,331 HKD
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
October 29, 2026
Retailer 9HK$4,754 HKD
Retailer 3HK$5,452 HKD
Retailer 17HK$5,724 HKD
Retailer 6HK$6,355 HKD
Retailer 2HK$7,636 HKD
Retailer 4HK$8,135 HKD
Retailer 14HK$8,157 HKD
Retailer 16HK$8,973 HKD
Retailer 18HK$12,340 HKD
Retailer 8HK$12,607 HKD
Retailer 5HK$15,304 HKD
Retailer 13HK$16,470 HKD
Retailer 7HK$16,961 HKD
Retailer 11HK$17,102 HKD
Retailer 10HK$17,914 HKD
Retailer 15HK$22,019 HKD
Retailer 12HK$22,868 HKD
Retailer 19HK$22,868 HKD
Brilliant EarthHK$38,990 HKD

23 data points across 19 retailers

19 retailersHK$4,754 HKD to HK$38,990 HKD

A
Cheapest Retailer
-
HK$4,754 HKD
$606 USD
Final sale: no returns
A
Retailer 2
-
HK$5,452 HKD
£547 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
HK$5,724 HKD
View
A
Retailer 4
-
HK$6,355 HKD
$810 USD
View
A
Retailer 5
-
HK$7,636 HKD
€927 EUR
View
A
Retailer 6
-
HK$8,135 HKD
$1,037 USD
View
A
Retailer 7
-
HK$8,157 HKD
£819 GBP
View
A
Retailer 8
-
HK$8,973 HKD
ZAR 18,478 ZAR
View
A
Retailer 9
-
HK$12,340 HKD
A$2,420 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
HK$12,607 HKD
$1,607 USD
View
B+
Retailer 11
-
HK$15,304 HKD
£1,536 GBP
View
B+
Retailer 12
-
HK$16,470 HKD
SGD 2,837 SGD
View
B+
Retailer 13
-
HK$16,961 HKD
$2,162 USD
View
B+
Retailer 14
-
HK$17,102 HKD
$2,180 USD
View
B+
Retailer 15
-
HK$17,914 HKD
$2,283 USD
View
B+
Retailer 16
-
HK$22,019 HKD
£2,210 GBP
View
B+
Retailer 17
-
HK$22,868 HKD
$2,915 USD
View
B+
Retailer 18
-
HK$22,868 HKD
$2,915 USD
View
Most Expensive
B
Brilliant Earth
21808108A · Oct 28
HK$38,990 HKD
$4,970 USD
View
18 more retailers have this diamond
Prices start from HK$4,754 HKDSave up to HK$34,236 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$4,754 HKD