CaratHunter
Plans
Cushion|Natural|GIA

1.51ct I SI1 Cushion Natural Diamond

GD • I/SI1 • GIA 6555305528

Certificate GIA 6555305528

Diamond specifications and retailer prices

From $5,685 CAD
$4,070 USD
As of November 1, 2026
Save $6,227 CAD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,913 CAD 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6555305528. Listed at 20 retailers as of November 1, 2026, with prices from $5,685 to $11,913, a $6,227 spread on the same certified stone. MOH London lists it at $11,913. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
I
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555305528
Dimensions7.40 × 5.68 × 4.14 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
7.40 mm5.68 mm1.51 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555305528
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 72.8%

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: $11,913 CAD|Low: $5,621 CAD|High: $12,346 CAD|Avg: $7,473 CAD|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 3$5,685 CAD
Retailer 2$5,686 CAD
Retailer 16$5,994 CAD
Retailer 9$6,304 CAD
Retailer 14$6,328 CAD
Retailer 4$6,335 CAD
Retailer 6$6,387 CAD
Retailer 10$6,496 CAD
Retailer 18$6,616 CAD
Retailer 17$6,733 CAD
Retailer 13$6,782 CAD
Retailer 11$7,181 CAD
Retailer 15$7,385 CAD
Retailer 7$7,413 CAD
Retailer 12$8,563 CAD
Retailer 5$9,358 CAD
Retailer 8$11,824 CAD
MOH London$11,913 CAD

20 data points across 18 retailers

20 retailers$5,685 CAD to $11,913 CAD

A
Cheapest Retailer
-
$5,685 CAD
$4,070 USD
A
Retailer 2
-
$5,686 CAD
HK$31,800 HKD
View
B+
Retailer 3
-
$5,994 CAD
$4,291 USD
View
B+
Retailer 4
-
$6,304 CAD
$4,513 USD
View
B+
Retailer 5
-
$6,328 CAD
$4,530 USD
View
Final sale: no returns
B+
Retailer 6
-
$6,335 CAD
€4,319 EUR
View
B+
Retailer 7
-
$6,387 CAD
$4,572 USD
View
B+
Retailer 8
-
$6,496 CAD
$4,650 USD
View
B+
Retailer 9
-
$6,616 CAD
A$7,287 AUD
View
B+
Retailer 10
-
$6,733 CAD
$4,820 USD
View
B+
Retailer 11
-
$6,782 CAD
$4,855 USD
View
B+
Retailer 12
-
$7,181 CAD
£4,048 GBP
View
B
Retailer 13
-
$7,380 CAD
A$8,128 AUD
View
B+
Retailer 14
-
$7,385 CAD
£4,163 GBP
View
B
Retailer 15
-
$7,413 CAD
$5,307 USD
View
Retailer 16
-
$7,716 CAD
A$8,498 AUD
View
Price last confirmed 23 days ago
B
Retailer 17
-
$8,563 CAD
€5,838 EUR
View
B
Retailer 18
-
$9,358 CAD
ZAR 108,223 ZAR
View
Retailer 19
-
$11,824 CAD
$8,464 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
5528D845F · Nov 1
$11,913 CAD
£6,715 GBP
View
19 more retailers have this diamond
Prices start from $5,685 CADSave up to $6,227 CAD

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
$5,685 CAD