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Cushion|Natural|GIA

1.51ct I IF Cushion Natural Diamond

EX • I/IF • GIA 1545243667

Certificate GIA 1545243667

Diamond specifications and retailer prices

From HK$29,506 HKD
As of November 6, 2026
Save HK$9,093 HKD (24%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$38,598 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545243667. Listed at 10 retailers as of November 4, 2026, with prices from HK$29,506 to HK$38,598, a HK$9,093 spread on the same certified stone. Brilliant Earth lists it at HK$38,598. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545243667
Dimensions6.68 × 6.25 × 4.25 mm
L/W Ratio1.07
Culet sizeNone
Top View
6.68 mm6.25 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545243667
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.9%

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: Nov 6
Current: HK$38,598 HKD|Low: HK$27,372 HKD|High: HK$41,030 HKD|Avg: HK$32,514 HKD|-5.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4HK$28,282 HKD
Retailer 5HK$29,506 HKD
Retailer 3HK$29,796 HKD
Retailer 6HK$30,267 HKD
Retailer 9HK$30,792 HKD
Retailer 2HK$31,255 HKD
Retailer 8HK$31,899 HKD
Retailer 7HK$35,052 HKD
Brilliant EarthHK$38,598 HKD

42 data points across 9 retailers

10 retailersHK$29,506 HKD to HK$38,598 HKD

Retailer 1
-
HK$28,282 HKD
Price last confirmed 9 days ago
A
Retailer 2
-
HK$29,506 HKD
View
A
Retailer 3
-
HK$29,796 HKD
View
A
Retailer 4
-
HK$30,267 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$30,792 HKD
View
A
Retailer 6
-
HK$31,255 HKD
View
A
Retailer 7
-
HK$31,899 HKD
View
A
Retailer 8
-
HK$35,052 HKD
View
A
Retailer 9
-
HK$36,598 HKD
View
Most Expensive
A
Brilliant Earth
16897598A · Nov 4
HK$38,598 HKD
$4,920 USD
View
9 more retailers have this diamond
Prices start from HK$29,506 HKDSave up to HK$9,093 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
1.51ct Cushion
HK$29,506 HKD