Cushion|Natural|GIA

1.51ct H VS1 Cushion Natural Diamond

ID • H/VS1 • GIA 5566159115

Certificate GIA 5566159115

Diamond specifications and retailer prices

From $5,175 AUD
HK$28,400 HKD
As of November 1, 2026
Save $6,043 AUD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,218 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 5566159115. Listed at 9 retailers as of November 1, 2026, with prices from $5,175 to $11,218, a $6,043 spread on the same certified stone. MOH London lists it at $11,218. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566159115
Dimensions6.62 × 6.57 × 4.38 mm
L/W Ratio1.01
Key to symbols
Feather, Pinpoint, Cloud
Top View
6.62 mm6.57 mm1.51 ctH / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566159115
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NDepth 66.6%

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: $11,218 AUD|Low: $5,175 AUD|High: $12,173 AUD|Avg: $7,327 AUD|-7.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$5,175 AUD
Retailer 2$5,815 AUD
Retailer 6$6,116 AUD
Retailer 7$6,207 AUD
Retailer 5$6,497 AUD
Retailer 9$6,696 AUD
Retailer 8$8,238 AUD
Retailer 4$9,928 AUD
MOH London$11,218 AUD

20 data points across 9 retailers

9 retailers$5,175 AUD to $11,218 AUD

A
Cheapest Retailer
-
$5,175 AUD
HK$28,400 HKD
A
Retailer 2
-
$5,815 AUD
$4,085 USD
View
A
Retailer 3
-
$6,116 AUD
€4,092 EUR
View
A
Retailer 4
-
$6,207 AUD
$4,360 USD
View
A
Retailer 5
-
$6,497 AUD
£3,593 GBP
View
A
Retailer 6
-
$6,696 AUD
SGD 6,356 SGD
View
A
Retailer 7
-
$8,238 AUD
€5,511 EUR
View
B+
Retailer 8
-
$9,928 AUD
$6,974 USD
View
Most Expensive
B+
MOH London
DBABABB8F · Nov 1
$11,218 AUD
£6,205 GBP
View
8 more retailers have this diamond
Prices start from $5,175 AUDSave up to $6,043 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
$5,175 AUD