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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 HK$13,458 HKD
As of November 1, 2026
Save HK$22,415 HKD (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$35,872 HKD 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 HK$13,458 to HK$35,872, a HK$22,415 spread on the same certified stone. Queensmith lists it at HK$35,872. 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: HK$35,872 HKD|Low: HK$13,357 HKD|High: HK$36,171 HKD|Avg: HK$20,421 HKD|+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 12HK$13,458 HKD
Retailer 2HK$14,312 HKD
Retailer 7HK$15,862 HKD
Retailer 6HK$16,563 HKD
Retailer 3HK$16,814 HKD
Retailer 4HK$16,955 HKD
Retailer 8HK$17,508 HKD
Retailer 15HK$17,952 HKD
Retailer 5HK$18,742 HKD
Retailer 14HK$19,043 HKD
Retailer 10HK$19,536 HKD
Retailer 13HK$22,063 HKD
Retailer 9HK$22,408 HKD
Retailer 11HK$31,448 HKD
QueensmithHK$35,872 HKD

25 data points across 15 retailers

18 retailersHK$13,458 HKD to HK$35,872 HKD

A
Cheapest Retailer
-
HK$13,458 HKD
A
Retailer 2
-
HK$14,312 HKD
₹173,723 INR
View
A
Retailer 3
-
HK$15,862 HKD
SGD 2,732 SGD
View
A
Retailer 4
-
HK$16,563 HKD
$2,111 USD
View
Final sale: no returns
A
Retailer 5
-
HK$16,814 HKD
$2,143 USD
View
A
Retailer 6
-
HK$16,955 HKD
$2,161 USD
View
A
Retailer 7
-
HK$17,081 HKD
$2,177 USD
View
A
Retailer 8
-
HK$17,104 HKD
$2,180 USD
View
A
Retailer 9
-
HK$17,508 HKD
£1,757 GBP
View
A
Retailer 10
-
HK$17,952 HKD
$2,288 USD
View
B+
Retailer 11
-
HK$18,742 HKD
SGD 3,228 SGD
View
B+
Retailer 12
-
HK$19,043 HKD
$2,427 USD
View
B+
Retailer 13
-
HK$19,536 HKD
£1,961 GBP
View
B+
Retailer 14
-
HK$22,063 HKD
ZAR 45,428 ZAR
View
B+
Retailer 15
-
HK$22,408 HKD
€2,720 EUR
View
Retailer 16
-
HK$22,428 HKD
A$4,398 AUD
View
Price last confirmed 25 days ago
B
Retailer 17
-
HK$31,448 HKD
£3,156 GBP
View
Most Expensive
B
Queensmith
7561400377 · Oct 28
HK$35,872 HKD
£3,600 GBP
View
17 more retailers have this diamond
Prices start from HK$13,458 HKDSave up to HK$22,415 HKD

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
HK$13,458 HKD