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Cushion|Lab Grown|IGI

1.55ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG520211710

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG520211710

Diamond specifications and retailer prices

From HK$1,922 HKD
As of November 4, 2026
Save HK$8,277 HKD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$10,200 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG520211710 or 520211710. Listed at 15 retailers as of November 4, 2026, with prices from HK$1,922 to HK$10,200, a HK$8,277 spread on the same certified stone. Brilliant Earth lists it at HK$10,200. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle30.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520211710
Dimensions7.71 × 6.23 × 3.88 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Blue 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
7.71 mm6.23 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520211710
Side View
Table 61.0%Crown 33.2°Girdle: MED-THKPavilion 30.6°Culet: NoneDepth 62.3%

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$10,200 HKD|Low: HK$2,887 HKD|High: HK$11,690 HKD|Avg: HK$5,468 HKD|-10.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 8HK$2,887 HKD
Retailer 3HK$3,460 HKD
Retailer 5HK$3,688 HKD
Retailer 2HK$3,939 HKD
Retailer 10HK$4,731 HKD
Retailer 4HK$4,998 HKD
Retailer 7HK$5,249 HKD
Retailer 9HK$7,218 HKD
Retailer 6HK$8,568 HKD
Brilliant EarthHK$10,200 HKD

44 data points across 10 retailers

15 retailersHK$1,922 HKD to HK$10,200 HKD

A
Cheapest Retailer
-
HK$1,922 HKD
Final sale: no returns
B+
Retailer 2
-
HK$2,887 HKD
View
A
Retailer 3
-
HK$3,460 HKD
View
A
Retailer 4
-
HK$3,688 HKD
View
A
Retailer 5
-
HK$3,939 HKD
View
A
Retailer 6
-
HK$3,939 HKD
View
A
Retailer 7
-
HK$4,386 HKD
View
A
Retailer 8
-
HK$4,731 HKD
View
A
Retailer 9
-
HK$4,998 HKD
View
A
Retailer 10
-
HK$5,249 HKD
View
B
Retailer 11
-
HK$7,218 HKD
View
B
Retailer 12
-
HK$7,289 HKD
View
B+
Retailer 13
-
HK$8,568 HKD
View
B
Retailer 14
-
HK$9,862 HKD
View
Most Expensive
B
Brilliant Earth
10788322A · Nov 4
HK$10,200 HKD
$1,300 USD
View
14 more retailers have this diamond
Prices start from HK$1,922 HKDSave up to HK$8,277 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
1.55ct Cushion
HK$1,922 HKD