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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 $3,043 NZD
HK$13,400 HKD
As of November 1, 2026
Save $5,069 NZD (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,112 NZD 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 $3,043 to $8,112, a $5,069 spread on the same certified stone. Queensmith lists it at $8,112. 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
Colour
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: Nov 1
Current: $8,112 NZD|Low: $3,021 NZD|High: $8,180 NZD|Avg: $4,618 NZD|+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
November 2, 2026
Retailer 12$3,043 NZD
Retailer 2$3,236 NZD
Retailer 7$3,587 NZD
Retailer 6$3,746 NZD
Retailer 3$3,802 NZD
Retailer 4$3,834 NZD
Retailer 8$3,959 NZD
Retailer 15$4,060 NZD
Retailer 5$4,238 NZD
Retailer 14$4,306 NZD
Retailer 10$4,418 NZD
Retailer 13$4,989 NZD
Retailer 9$5,067 NZD
Retailer 11$7,112 NZD
Queensmith$8,112 NZD

25 data points across 15 retailers

18 retailers$3,043 NZD to $8,112 NZD

A
Cheapest Retailer
-
$3,043 NZD
HK$13,400 HKD
A
Retailer 2
-
$3,236 NZD
₹173,723 INR
View
A
Retailer 3
-
$3,587 NZD
SGD 2,732 SGD
View
A
Retailer 4
-
$3,746 NZD
$2,111 USD
View
Final sale: no returns
A
Retailer 5
-
$3,802 NZD
$2,143 USD
View
A
Retailer 6
-
$3,834 NZD
$2,161 USD
View
A
Retailer 7
-
$3,863 NZD
$2,177 USD
View
A
Retailer 8
-
$3,868 NZD
$2,180 USD
View
A
Retailer 9
-
$3,959 NZD
£1,757 GBP
View
A
Retailer 10
-
$4,060 NZD
$2,288 USD
View
B+
Retailer 11
-
$4,238 NZD
SGD 3,228 SGD
View
B+
Retailer 12
-
$4,306 NZD
$2,427 USD
View
B+
Retailer 13
-
$4,418 NZD
£1,961 GBP
View
B+
Retailer 14
-
$4,989 NZD
ZAR 45,428 ZAR
View
B+
Retailer 15
-
$5,067 NZD
€2,720 EUR
View
Retailer 16
-
$5,072 NZD
A$4,398 AUD
View
Price last confirmed 25 days ago
B
Retailer 17
-
$7,112 NZD
£3,156 GBP
View
Most Expensive
B
Queensmith
7561400377 · Oct 28
$8,112 NZD
£3,600 GBP
View
17 more retailers have this diamond
Prices start from $3,043 NZDSave up to $5,069 NZD

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
$3,043 NZD