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Cushion|Natural|GIA

1.51ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 6555094950

Certificate GIA 6555094950

Diamond specifications and retailer prices

From $7,402 CAD
HK$41,400 HKD
As of October 31, 2026
Save $7,216 CAD (49%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,618 CAD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555094950. Listed at 18 retailers as of October 28, 2026, with prices from $7,402 to $14,618, a $7,216 spread on the same certified stone. Queensmith lists it at $14,618. 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
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555094950
Dimensions7.66 × 5.89 × 4.00 mm
L/W Ratio1.30
Top View
7.66 mm5.89 mm1.51 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555094950
Side View
Table 68.0%CrownGirdle: STK-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: Oct 31
Current: $14,618 CAD|Low: $7,349 CAD|High: $14,813 CAD|Avg: $10,400 CAD|+1.2%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 7$7,402 CAD
Retailer 6$7,892 CAD
Retailer 3$8,253 CAD
Retailer 5$8,723 CAD
Retailer 11$9,017 CAD
Retailer 9$9,369 CAD
Retailer 12$9,569 CAD
Retailer 4$9,580 CAD
Retailer 13$9,994 CAD
Retailer 8$10,675 CAD
Retailer 2$12,009 CAD
Retailer 10$14,471 CAD
Queensmith$14,618 CAD

28 data points across 13 retailers

18 retailers$7,402 CAD to $14,618 CAD

A
Cheapest Retailer
-
$7,402 CAD
HK$41,400 HKD
A
Retailer 2
-
$7,892 CAD
₹538,073 INR
View
A
Retailer 3
-
$8,253 CAD
$5,908 USD
View
Retailer 4
-
$8,501 CAD
SGD 8,224 SGD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$8,723 CAD
SGD 8,439 SGD
View
A
Retailer 6
-
$9,017 CAD
$6,455 USD
View
Final sale: no returns
B+
Retailer 7
-
$9,070 CAD
$6,493 USD
View
B+
Retailer 8
-
$9,073 CAD
$6,495 USD
View
Retailer 9
-
$9,168 CAD
$6,563 USD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$9,369 CAD
£5,281 GBP
View
B+
Retailer 11
-
$9,569 CAD
$6,850 USD
View
Retailer 12
-
$9,580 CAD
A$10,551 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$9,994 CAD
$7,154 USD
View
B+
Retailer 14
-
$10,358 CAD
A$11,408 AUD
View
B+
Retailer 15
-
$10,675 CAD
€7,278 EUR
View
B+
Retailer 16
-
$12,009 CAD
ZAR 138,881 ZAR
View
B
Retailer 17
-
$14,471 CAD
£8,157 GBP
View
Most Expensive
B
Queensmith
6555094950 · Oct 28
$14,618 CAD
£8,240 GBP
View
17 more retailers have this diamond
Prices start from $7,402 CADSave up to $7,216 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
$7,402 CAD