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Cushion|Natural|GIA

1.51ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 5563268455

Certificate GIA 5563268455

Diamond specifications and retailer prices

From $3,630 CAD
$2,599 USD
As of October 31, 2026
Save $3,146 CAD (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,776 CAD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5563268455. Listed at 13 retailers as of October 26, 2026, with prices from $3,630 to $6,776, a $3,146 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,776. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563268455
Dimensions7.33 × 5.87 × 4.07 mm
L/W Ratio1.25
Culet sizeNone
Top View
7.33 mm5.87 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563268455
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.4%

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: Oct 31
Current: $5,666 CAD|Low: $3,630 CAD|High: $7,304 CAD|Avg: $4,832 CAD|-10.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
October 31, 2026
Retailer 7$3,630 CAD
Retailer 10$3,698 CAD
Retailer 8$3,948 CAD
Retailer 6$3,981 CAD
Retailer 5$4,282 CAD
Retailer 2$4,373 CAD
Retailer 3$4,467 CAD
Retailer 11$4,682 CAD
Retailer 9$4,708 CAD
Retailer 12$4,817 CAD
Retailer 4$4,933 CAD
Retailer 1$5,666 CAD
Wholesale Diamonds Direct$6,776 CAD

29 data points across 13 retailers

13 retailers$3,630 CAD to $6,776 CAD

A
Cheapest Retailer
-
$3,630 CAD
$2,599 USD
A
Retailer 2
-
$3,698 CAD
SGD 3,577 SGD
View
A
Retailer 3
-
$3,948 CAD
$2,826 USD
View
A
Retailer 4
-
$3,981 CAD
$2,850 USD
View
A
Retailer 5
-
$4,282 CAD
£2,414 GBP
View
A
Retailer 6
-
$4,373 CAD
SGD 4,230 SGD
View
A
Retailer 7
-
$4,467 CAD
$3,198 USD
View
A
Retailer 8
-
$4,682 CAD
$3,352 USD
View
A
Retailer 9
-
$4,708 CAD
$3,370 USD
View
A
Retailer 10
-
$4,817 CAD
$3,448 USD
View
A
Retailer 11
-
$4,933 CAD
€3,363 EUR
View
A
Retailer 12
-
$5,666 CAD
$4,056 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
378293703 · Oct 26
$6,776 CAD
$4,851 USD
View
12 more retailers have this diamond
Prices start from $3,630 CADSave up to $3,146 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
$3,630 CAD