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Cushion|Lab Grown|IGI

1.48ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG816615830

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816615830

Diamond specifications and retailer prices

From HK$3,389 HKD
$432 USD
As of October 30, 2026
Save HK$16,382 HKD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$31,226 HKD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 1.48ct lab-grown cushion diamond

This 1.48ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615830 or 816615830. Listed at 16 retailers as of October 30, 2026, with a 483% 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

1.48
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615830
Dimensions8.19 × 5.73 × 3.87 mm
L/W Ratio1.43
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
8.19 mm5.73 mm1.48 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615830
Side View
Table 62.0%Crown 33.2°Girdle: STK-THKPavilion 35.8°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
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 30
Current: HK$16,751 HKD|Low: HK$3,389 HKD|High: HK$31,344 HKD|Avg: HK$9,842 HKD|-1.4%
Rare Carat
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
October 31, 2026
Retailer 5HK$3,389 HKD
Retailer 15HK$3,750 HKD
Retailer 14HK$5,688 HKD
Retailer 2HK$5,915 HKD
Retailer 4HK$5,955 HKD
Retailer 11HK$6,444 HKD
Retailer 8HK$6,735 HKD
Retailer 13HK$8,975 HKD
Retailer 3HK$8,999 HKD
Retailer 10HK$9,139 HKD
Retailer 6HK$11,954 HKD
Retailer 7HK$12,350 HKD
Retailer 12HK$14,677 HKD
Rare CaratHK$16,751 HKD
Retailer 9HK$19,771 HKD

39 data points across 15 retailers

16 retailersHK$3,389 HKD to HK$19,771 HKD

A
Cheapest Retailer
-
HK$3,389 HKD
$432 USD
Final sale: no returns
A
Retailer 2
-
HK$3,750 HKD
$478 USD
View
A
Retailer 3
-
HK$5,688 HKD
$725 USD
View
A
Retailer 4
-
HK$5,915 HKD
€718 EUR
View
A
Retailer 5
-
HK$5,955 HKD
$759 USD
View
A
Retailer 6
-
HK$6,444 HKD
ZAR 13,269 ZAR
View
A
Retailer 7
-
HK$6,735 HKD
£676 GBP
View
A
Retailer 8
-
HK$8,975 HKD
$1,144 USD
View
A
Retailer 9
-
HK$8,999 HKD
$1,147 USD
View
A
Retailer 10
-
HK$9,139 HKD
A$1,792 AUD
View
B+
Retailer 11
-
HK$11,954 HKD
SGD 2,059 SGD
View
B+
Retailer 12
-
HK$12,350 HKD
$1,574 USD
View
B+
Retailer 13
-
HK$14,677 HKD
£1,473 GBP
View
Retailer 14
-
HK$16,751 HKD
$2,135 USD
View
Price last confirmed 13 days ago
B+
Retailer 15
-
HK$19,771 HKD
$2,520 USD
View
Most Expensive
Rare Carat
271A-660_l_794626393 · Oct 19
HK$31,226 HKD
$3,980 USD
View
Price last confirmed 13 days ago
15 more retailers have this diamond
Prices start from HK$3,389 HKDSave up to HK$16,382 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
1.48ct Cushion
HK$3,389 HKD