Cushion|Lab Grown|IGI

1.84ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818669969

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG818669969

Diamond specifications and retailer prices

From HK$5,296 HKD
$675 USD
As of October 31, 2026
Save HK$27,028 HKD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$47,780 HKD at Brilliant Earth · As of September 28, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818669969 or 818669969. Listed at 18 retailers as of October 30, 2026, with a 510% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818669969
Dimensions7.18 × 7.00 × 4.47 mm
L/W Ratio1.03
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
7.18 mm7.00 mm1.84 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818669969
Side View
Table 61.0%Crown 36.4°Girdle: MED-THKPavilion 34.6°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
A+
Exceptional
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 31
Current: HK$32,324 HKD|Low: HK$5,296 HKD|High: HK$46,290 HKD|Avg: HK$17,071 HKD|-30.2%
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
October 31, 2026
Retailer 10HK$5,296 HKD
Retailer 9HK$5,790 HKD
Retailer 14HK$6,787 HKD
Retailer 15HK$9,007 HKD
Retailer 11HK$9,191 HKD
Retailer 2HK$10,042 HKD
Retailer 13HK$10,093 HKD
Retailer 17HK$12,122 HKD
Retailer 6HK$12,702 HKD
Retailer 5HK$17,098 HKD
Retailer 3HK$18,990 HKD
Retailer 12HK$20,038 HKD
Retailer 7HK$20,854 HKD
Retailer 16HK$25,528 HKD
Retailer 8HK$28,009 HKD
Retailer 4HK$29,390 HKD
Brilliant EarthHK$32,324 HKD

30 data points across 17 retailers

18 retailersHK$5,296 HKD to HK$32,324 HKD

A+
Cheapest Retailer
-
HK$5,296 HKD
$675 USD
Final sale: no returns
Retailer 2
-
HK$5,790 HKD
$738 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
HK$6,787 HKD
$865 USD
View
A
Retailer 4
-
HK$9,007 HKD
$1,148 USD
View
A
Retailer 5
-
HK$9,191 HKD
£922 GBP
View
A
Retailer 6
-
HK$10,042 HKD
€1,219 EUR
View
A
Retailer 7
-
HK$10,093 HKD
ZAR 20,783 ZAR
View
A
Retailer 8
-
HK$12,122 HKD
$1,545 USD
View
A
Retailer 9
-
HK$12,702 HKD
$1,619 USD
View
B+
Retailer 10
-
HK$17,098 HKD
£1,716 GBP
View
B+
Retailer 11
-
HK$18,990 HKD
$2,420 USD
View
B+
Retailer 12
-
HK$20,038 HKD
$2,554 USD
View
B+
Retailer 13
-
HK$20,854 HKD
SGD 3,592 SGD
View
B
Retailer 14
-
HK$25,528 HKD
£2,562 GBP
View
Retailer 15
-
HK$28,009 HKD
$3,570 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
HK$29,390 HKD
$3,746 USD
View
B
Retailer 17
-
HK$32,324 HKD
$4,120 USD
View
Most Expensive
Brilliant Earth
21094796A · Sep 28
HK$47,780 HKD
$6,090 USD
View
Price last confirmed 33 days ago
17 more retailers have this diamond
Prices start from HK$5,296 HKDSave up to HK$27,028 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$5,296 HKD