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Cushion|Lab Grown|IGI

1.45ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG674551670

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG674551670

Diamond specifications and retailer prices

From HK$1,914 HKD
As of November 4, 2026
Save HK$9,697 HKD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$11,612 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG674551670 or 674551670. Listed at 17 retailers as of November 4, 2026, with prices from HK$1,914 to HK$11,612, a HK$9,697 spread on the same certified stone. Brilliant Earth lists it at HK$11,612. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674551670
Dimensions6.53 × 6.53 × 4.41 mm
L/W Ratio1.00
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
6.53 mm6.53 mm1.45 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674551670
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 67.5%

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: Nov 4
Current: HK$11,612 HKD|Low: HK$2,126 HKD|High: HK$12,553 HKD|Avg: HK$5,294 HKD|-5.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3HK$2,126 HKD
Retailer 5HK$2,832 HKD
Retailer 11HK$2,864 HKD
Retailer 7HK$3,672 HKD
Retailer 8HK$3,860 HKD
Retailer 2HK$3,915 HKD
Retailer 6HK$5,202 HKD
Retailer 10HK$5,390 HKD
Retailer 9HK$6,983 HKD
Retailer 4HK$8,497 HKD
Brilliant EarthHK$11,612 HKD

43 data points across 11 retailers

17 retailersHK$1,914 HKD to HK$11,612 HKD

A
Cheapest Retailer
-
HK$1,914 HKD
Final sale: no returns
Retailer 2
-
HK$2,126 HKD
View
Price last confirmed 11 days ago
A
Retailer 3
-
HK$2,832 HKD
View
B+
Retailer 4
-
HK$2,864 HKD
View
A
Retailer 5
-
HK$3,672 HKD
View
A
Retailer 6
-
HK$3,860 HKD
View
A
Retailer 7
-
HK$3,915 HKD
View
A
Retailer 8
-
HK$4,103 HKD
View
B+
Retailer 9
-
HK$5,006 HKD
View
A
Retailer 10
-
HK$5,202 HKD
View
B+
Retailer 11
-
HK$5,390 HKD
View
Retailer 12
-
HK$6,983 HKD
View
Price last confirmed 17 days ago
B+
Retailer 13
-
HK$7,250 HKD
View
Retailer 14
-
HK$7,367 HKD
View
Price last confirmed 88 days ago
B
Retailer 15
-
HK$8,497 HKD
View
B
Retailer 16
-
HK$9,831 HKD
View
Most Expensive
B
Brilliant Earth
21311737A · Nov 4
HK$11,612 HKD
$1,480 USD
View
16 more retailers have this diamond
Prices start from HK$1,914 HKDSave up to HK$9,697 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
1.45ct Cushion
HK$1,914 HKD