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Cushion|Lab Grown|IGI

1.51ct K VS1 Cushion Lab Grown Diamond

ID • K/VS1 • IGI LG821673225

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG821673225

Diamond specifications and retailer prices

From HK$10,878 HKD
As of November 4, 2026
Save HK$11,423 HKD (51%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$22,301 HKD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821673225 or 821673225. Listed at 4 retailers as of November 4, 2026, with prices from HK$10,878 to HK$22,301, a HK$11,423 spread on the same certified stone. Frank Darling lists it at HK$22,301. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821673225
Dimensions9.15 × 5.97 × 3.79 mm
L/W Ratio1.53
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa Faint Brown
Top View
9.15 mm5.97 mm1.51 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821673225
Side View
Table 53.0%Crown 38°Girdle: MED-THKPavilion 42°Culet: LargeDepth 63.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$22,301 HKD|Low: HK$6,317 HKD|High: HK$25,268 HKD|Avg: HK$14,698 HKD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7HK$6,317 HKD
Retailer 6HK$9,609 HKD
Retailer 3HK$10,878 HKD
Retailer 2HK$12,266 HKD
Retailer 5HK$18,363 HKD
Frank DarlingHK$22,301 HKD
Retailer 4HK$25,268 HKD

13 data points across 7 retailers

4 retailersHK$10,878 HKD to HK$22,301 HKD

Retailer 1
-
HK$6,317 HKD
Price last confirmed 63 days ago
B
Retailer 2
-
HK$10,878 HKD
View
B
Retailer 3
-
HK$12,266 HKD
View
Most Expensive
C
Frank Darling
LGO942129JA · Nov 6
HK$22,301 HKD
$2,845 USD
View
3 more retailers have this diamond
Prices start from HK$10,878 HKDSave up to HK$11,423 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.

B
1.51ct Cushion
HK$10,878 HKD