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Cushion|Lab Grown|IGI

1.80ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG744513208

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG744513208

Diamond specifications and retailer prices

From HK$3,876 HKD
$494 USD
As of October 30, 2026
Save HK$25,075 HKD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$28,951 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.8ct lab-grown cushion diamond

This 1.8ct 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 LG744513208 or 744513208. Listed at 13 retailers as of October 30, 2026, with prices from HK$3,876 to HK$28,951, a HK$25,075 spread on the same certified stone. Brilliant Earth lists it at HK$28,951. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513208
Dimensions8.20 × 6.58 × 4.52 mm
L/W Ratio1.25
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
8.20 mm6.58 mm1.80 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513208
Side View
Table 62.0%Crown 33.9°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 68.7%

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$28,951 HKD|Low: HK$3,876 HKD|High: HK$34,521 HKD|Avg: HK$14,290 HKD|-16.1%
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$3,876 HKD
Retailer 9HK$5,068 HKD
Retailer 13HK$5,414 HKD
Retailer 8HK$5,994 HKD
Retailer 2HK$6,763 HKD
Retailer 3HK$8,819 HKD
Retailer 6HK$9,679 HKD
Retailer 11HK$11,187 HKD
Retailer 7HK$15,355 HKD
Retailer 4HK$24,458 HKD
Retailer 12HK$25,616 HKD
Retailer 10HK$26,989 HKD
Brilliant EarthHK$28,951 HKD

31 data points across 13 retailers

13 retailersHK$3,876 HKD to HK$28,951 HKD

A
Cheapest Retailer
-
HK$3,876 HKD
$494 USD
Final sale: no returns
A
Retailer 2
-
HK$5,068 HKD
$646 USD
View
A
Retailer 3
-
HK$5,414 HKD
$690 USD
View
A
Retailer 4
-
HK$5,994 HKD
$764 USD
View
A
Retailer 5
-
HK$6,763 HKD
€821 EUR
View
A
Retailer 6
-
HK$8,819 HKD
$1,124 USD
View
A
Retailer 7
-
HK$9,679 HKD
A$1,898 AUD
View
A
Retailer 8
-
HK$11,187 HKD
$1,426 USD
View
B+
Retailer 9
-
HK$15,355 HKD
£1,541 GBP
View
Retailer 10
-
HK$24,458 HKD
A$4,796 AUD
View
Price last confirmed 23 days ago
Retailer 11
-
HK$25,616 HKD
$3,265 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
HK$26,989 HKD
$3,440 USD
View
Most Expensive
B
Brilliant Earth
16861116Y · Oct 30
HK$28,951 HKD
$3,690 USD
View
12 more retailers have this diamond
Prices start from HK$3,876 HKDSave up to HK$25,075 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
1.80ct Cushion
HK$3,876 HKD