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Cushion|Natural|GIA

1.51ct H VS1 Cushion Natural Diamond

EX • H/VS1 • GIA 1553666087

Certificate GIA 1553666087

Diamond specifications and retailer prices

From $6,123 AUD
HK$33,600 HKD
As of November 1, 2026
Save $6,164 AUD (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $12,287 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553666087. Listed at 7 retailers as of November 1, 2026, with prices from $6,123 to $12,287, a $6,164 spread on the same certified stone. MOH London lists it at $12,287. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553666087
Dimensions7.69 × 5.90 × 4.11 mm
L/W Ratio1.30
Key to symbols
Feather, Pinpoint
Top View
7.69 mm5.90 mm1.51 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553666087
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.7%

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 1
Current: $12,287 AUD|Low: $6,068 AUD|High: $14,563 AUD|Avg: $8,620 AUD|-14.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$6,123 AUD
Retailer 3$6,892 AUD
Retailer 4$7,102 AUD
Retailer 7$7,204 AUD
Retailer 5$7,334 AUD
Retailer 2$9,307 AUD
MOH London$12,287 AUD

40 data points across 7 retailers

7 retailers$6,123 AUD to $12,287 AUD

A
Cheapest Retailer
-
$6,123 AUD
HK$33,600 HKD
A
Retailer 2
-
$6,892 AUD
$4,841 USD
View
A
Retailer 3
-
$7,102 AUD
€4,751 EUR
View
Retailer 4
-
$7,204 AUD
SGD 6,838 SGD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$7,334 AUD
$5,152 USD
View
B+
Retailer 6
-
$9,307 AUD
€6,226 EUR
View
Most Expensive
B+
MOH London
CE73C9729 · Nov 1
$12,287 AUD
£6,796 GBP
View
6 more retailers have this diamond
Prices start from $6,123 AUDSave up to $6,164 AUD

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
$6,123 AUD