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Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 7561400377

Certificate GIA 7561400377

Diamond specifications and retailer prices

From $2,396 CAD
HK$13,400 HKD
As of October 31, 2026
Save $3,991 CAD (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,387 CAD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-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 7561400377. Listed at 18 retailers as of October 28, 2026, with prices from $2,396 to $6,387, a $3,991 spread on the same certified stone. Queensmith lists it at $6,387. 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

1.00
Carat
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7561400377
Dimensions6.69 × 4.97 × 3.34 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.69 mm4.97 mm1.00 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7561400377
Side View
Table 66.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 67.3%

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: $6,387 CAD|Low: $2,378 CAD|High: $6,440 CAD|Avg: $3,762 CAD|+2.3%
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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 9$2,396 CAD
Retailer 2$2,549 CAD
Retailer 7$2,824 CAD
Retailer 6$2,949 CAD
Retailer 3$2,994 CAD
Retailer 4$3,019 CAD
Retailer 13$3,127 CAD
Retailer 16$3,196 CAD
Retailer 5$3,337 CAD
Retailer 15$3,390 CAD
Retailer 12$3,507 CAD
Retailer 10$3,928 CAD
Retailer 11$3,992 CAD
Retailer 8$3,993 CAD
Retailer 14$5,629 CAD
Queensmith$6,387 CAD

25 data points across 16 retailers

18 retailers$2,396 CAD to $6,387 CAD

A
Cheapest Retailer
-
$2,396 CAD
HK$13,400 HKD
A
Retailer 2
-
$2,549 CAD
₹173,817 INR
View
A
Retailer 3
-
$2,824 CAD
SGD 2,732 SGD
View
A
Retailer 4
-
$2,949 CAD
$2,111 USD
View
Final sale: no returns
A
Retailer 5
-
$2,994 CAD
$2,143 USD
View
A
Retailer 6
-
$3,019 CAD
$2,161 USD
View
A
Retailer 7
-
$3,041 CAD
$2,177 USD
View
A
Retailer 8
-
$3,045 CAD
$2,180 USD
View
A
Retailer 9
-
$3,127 CAD
£1,762 GBP
View
A
Retailer 10
-
$3,196 CAD
$2,288 USD
View
B+
Retailer 11
-
$3,337 CAD
SGD 3,228 SGD
View
B+
Retailer 12
-
$3,390 CAD
$2,427 USD
View
B+
Retailer 13
-
$3,507 CAD
£1,977 GBP
View
B+
Retailer 14
-
$3,928 CAD
ZAR 45,428 ZAR
View
B+
Retailer 15
-
$3,992 CAD
€2,722 EUR
View
Retailer 16
-
$3,993 CAD
A$4,398 AUD
View
Price last confirmed 24 days ago
B
Retailer 17
-
$5,629 CAD
£3,173 GBP
View
Most Expensive
B
Queensmith
7561400377 · Oct 28
$6,387 CAD
£3,600 GBP
View
17 more retailers have this diamond
Prices start from $2,396 CADSave up to $3,991 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
1.00ct Cushion
$2,396 CAD