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Cushion|Natural|GIA

1.00ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6315745344

Certificate GIA 6315745344

Diamond specifications and retailer prices

From HK$7,759 HKD
As of November 4, 2026
Save HK$9,271 HKD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$17,030 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6315745344. Listed at 15 retailers as of November 4, 2026, with prices from HK$7,759 to HK$17,030, a HK$9,271 spread on the same certified stone. MOH London lists it at HK$17,030. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6315745344
Dimensions5.79 × 5.48 × 3.74 mm
L/W Ratio1.06
Top View
5.79 mm5.48 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6315745344
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$17,030 HKD|Low: HK$7,759 HKD|High: HK$19,917 HKD|Avg: HK$11,087 HKD|-14.3%
MOH London
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 6, 2026
Retailer 11HK$7,759 HKD
Retailer 7HK$7,853 HKD
Retailer 15HK$8,088 HKD
Retailer 5HK$8,386 HKD
Retailer 13HK$8,449 HKD
Retailer 2HK$9,044 HKD
Retailer 4HK$9,460 HKD
Retailer 12HK$9,522 HKD
Retailer 14HK$9,530 HKD
Retailer 9HK$10,471 HKD
Retailer 10HK$11,380 HKD
Retailer 6HK$12,775 HKD
Retailer 8HK$12,963 HKD
Retailer 3HK$13,237 HKD
MOH LondonHK$17,030 HKD

33 data points across 15 retailers

15 retailersHK$7,759 HKD to HK$17,030 HKD

A
Cheapest Retailer
-
HK$7,759 HKD
A
Retailer 2
-
HK$7,853 HKD
View
A
Retailer 3
-
HK$8,088 HKD
View
A
Retailer 4
-
HK$8,386 HKD
View
Retailer 5
-
HK$8,449 HKD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$9,044 HKD
View
B+
Retailer 7
-
HK$9,460 HKD
View
B+
Retailer 8
-
HK$9,522 HKD
View
B+
Retailer 9
-
HK$9,530 HKD
View
A
Retailer 10
-
HK$10,471 HKD
View
B+
Retailer 11
-
HK$11,380 HKD
View
B+
Retailer 12
-
HK$12,775 HKD
View
B+
Retailer 13
-
HK$12,963 HKD
View
B+
Retailer 14
-
HK$13,237 HKD
View
Most Expensive
B
MOH London
9B2A01CB9 · Nov 4
HK$17,030 HKD
£1,711 GBP
View
14 more retailers have this diamond
Prices start from HK$7,759 HKDSave up to HK$9,271 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$7,759 HKD