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Cushion|Lab Grown|IGI

1.84ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG731557339

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG731557339

Diamond specifications and retailer prices

From HK$3,813 HKD
$486 USD
As of October 30, 2026
Save HK$25,373 HKD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$29,186 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.84ct lab-grown cushion diamond

This 1.84ct 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 LG731557339 or 731557339. Listed at 13 retailers as of October 30, 2026, with prices from HK$3,813 to HK$29,186, a HK$25,373 spread on the same certified stone. Brilliant Earth lists it at HK$29,186. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.84
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731557339
Dimensions7.85 × 6.59 × 4.66 mm
L/W Ratio1.19
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
7.85 mm6.59 mm1.84 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731557339
Side View
Table 57.0%Crown 36.8°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 70.7%

Caratlytics Score

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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$29,186 HKD|Low: HK$3,813 HKD|High: HK$42,994 HKD|Avg: HK$15,104 HKD|-32.1%
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
October 31, 2026
Retailer 5HK$3,813 HKD
Retailer 10HK$5,147 HKD
Retailer 3HK$5,531 HKD
Retailer 9HK$6,096 HKD
Retailer 2HK$6,104 HKD
Retailer 4HK$9,195 HKD
Retailer 7HK$9,883 HKD
Retailer 12HK$11,381 HKD
Retailer 8HK$15,673 HKD
Retailer 6HK$24,683 HKD
Retailer 13HK$25,655 HKD
Retailer 11HK$27,538 HKD
Brilliant EarthHK$29,186 HKD

31 data points across 13 retailers

13 retailersHK$3,813 HKD to HK$29,186 HKD

A
Cheapest Retailer
-
HK$3,813 HKD
$486 USD
Final sale: no returns
A
Retailer 2
-
HK$5,147 HKD
$656 USD
View
A
Retailer 3
-
HK$5,531 HKD
$705 USD
View
A
Retailer 4
-
HK$6,096 HKD
$777 USD
View
A
Retailer 5
-
HK$6,104 HKD
€741 EUR
View
A
Retailer 6
-
HK$9,195 HKD
$1,172 USD
View
A
Retailer 7
-
HK$9,883 HKD
A$1,938 AUD
View
A
Retailer 8
-
HK$11,381 HKD
$1,451 USD
View
B+
Retailer 9
-
HK$15,673 HKD
£1,573 GBP
View
B+
Retailer 10
-
HK$24,683 HKD
A$4,840 AUD
View
Retailer 11
-
HK$25,655 HKD
$3,270 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
HK$27,538 HKD
$3,510 USD
View
Most Expensive
B
Brilliant Earth
15899175Y · Oct 31
HK$29,186 HKD
$3,720 USD
View
12 more retailers have this diamond
Prices start from HK$3,813 HKDSave up to HK$25,373 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
1.84ct Cushion
HK$3,813 HKD