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Cushion|Lab Grown|IGI

1.90ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG675592990

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG675592990

Diamond specifications and retailer prices

From HK$3,601 HKD
$459 USD
As of October 30, 2026
Save HK$26,526 HKD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$30,127 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.9ct lab-grown cushion diamond

This 1.9ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG675592990 or 675592990. Listed at 22 retailers as of October 30, 2026, with prices from HK$3,601 to HK$30,127, a HK$26,526 spread on the same certified stone. Brilliant Earth lists it at HK$30,127. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675592990
Dimensions8.73 × 6.63 × 4.41 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
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
8.73 mm6.63 mm1.90 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675592990
Side View
Table 61.0%Crown 31.2°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.5%

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$30,127 HKD|Low: HK$3,601 HKD|High: HK$36,404 HKD|Avg: HK$13,597 HKD|-17.2%
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 8HK$3,601 HKD
Retailer 5HK$3,986 HKD
Retailer 3HK$4,680 HKD
Retailer 18HK$5,423 HKD
Retailer 17HK$5,727 HKD
Retailer 4HK$6,010 HKD
Retailer 13HK$6,308 HKD
Retailer 2HK$7,288 HKD
Retailer 16HK$7,567 HKD
Retailer 20HK$9,635 HKD
Retailer 14HK$10,256 HKD
Retailer 7HK$14,551 HKD
Retailer 10HK$14,789 HKD
Retailer 11HK$15,321 HKD
Retailer 9HK$15,560 HKD
Retailer 15HK$16,261 HKD
Retailer 12HK$18,294 HKD
Retailer 19HK$24,675 HKD
Retailer 6HK$28,558 HKD
Brilliant EarthHK$30,127 HKD

30 data points across 20 retailers

22 retailersHK$3,601 HKD to HK$30,127 HKD

A
Cheapest Retailer
-
HK$3,601 HKD
$459 USD
Final sale: no returns
A
Retailer 2
-
HK$3,986 HKD
$508 USD
View
Retailer 3
-
HK$4,680 HKD
£470 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
HK$5,423 HKD
View
A
Retailer 5
-
HK$5,727 HKD
$730 USD
View
A
Retailer 6
-
HK$6,010 HKD
$766 USD
View
A
Retailer 7
-
HK$6,308 HKD
$804 USD
View
A
Retailer 8
-
HK$7,288 HKD
£731 GBP
View
A
Retailer 9
-
HK$7,567 HKD
ZAR 15,582 ZAR
View
A
Retailer 10
-
HK$9,635 HKD
$1,228 USD
View
A
Retailer 11
-
HK$10,256 HKD
A$2,011 AUD
View
B+
Retailer 12
-
HK$14,551 HKD
$1,855 USD
View
B+
Retailer 13
-
HK$14,789 HKD
$1,885 USD
View
B+
Retailer 14
-
HK$15,321 HKD
$1,953 USD
View
B+
Retailer 15
-
HK$15,560 HKD
SGD 2,680 SGD
View
B+
Retailer 16
-
HK$16,261 HKD
£1,632 GBP
View
Retailer 17
-
HK$18,294 HKD
£1,836 GBP
View
Price last confirmed 17 days ago
Retailer 18
-
HK$24,675 HKD
$3,145 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
HK$27,899 HKD
£2,800 GBP
View
Retailer 20
-
HK$28,080 HKD
$3,579 USD
View
Price last confirmed 83 days ago
B
Retailer 21
-
HK$28,558 HKD
$3,640 USD
View
Most Expensive
B
Brilliant Earth
20152130Y · Oct 31
HK$30,127 HKD
$3,840 USD
View
21 more retailers have this diamond
Prices start from HK$3,601 HKDSave up to HK$26,526 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
1.90ct Cushion
HK$3,601 HKD