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Cushion|Natural|GIA

1.70ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 1545692555

Certificate GIA 1545692555

Diamond specifications and retailer prices

From HK$26,381 HKD
As of November 6, 2026
Save HK$29,060 HKD (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$55,441 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.7ct natural cushion diamond

This 1.7ct natural cushion sits in the one-and-a-half to two 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 1545692555. Listed at 14 retailers as of November 4, 2026, with prices from HK$26,381 to HK$55,441, a HK$29,060 spread on the same certified stone. MOH London lists it at HK$55,441. 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

1.70
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1545692555
Dimensions8.17 × 6.09 × 4.13 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural
Top View
8.17 mm6.09 mm1.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1545692555
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.8%

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 6
Current: HK$55,441 HKD|Low: HK$26,381 HKD|High: HK$60,965 HKD|Avg: HK$38,213 HKD|-9.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3HK$26,381 HKD
Retailer 2HK$27,932 HKD
Retailer 11HK$31,224 HKD
Retailer 10HK$33,309 HKD
Retailer 6HK$33,583 HKD
Retailer 9HK$33,771 HKD
Retailer 7HK$35,143 HKD
Retailer 12HK$35,895 HKD
Retailer 4HK$37,729 HKD
Retailer 5HK$39,273 HKD
Retailer 8HK$42,588 HKD
MOH LondonHK$55,441 HKD

29 data points across 12 retailers

14 retailersHK$26,381 HKD to HK$55,441 HKD

A
Cheapest Retailer
-
HK$26,381 HKD
A
Retailer 2
-
HK$27,932 HKD
View
B+
Retailer 3
-
HK$31,224 HKD
View
B+
Retailer 4
-
HK$33,309 HKD
View
B+
Retailer 5
-
HK$33,583 HKD
View
B+
Retailer 6
-
HK$33,771 HKD
View
B+
Retailer 7
-
HK$34,916 HKD
View
B+
Retailer 8
-
HK$35,143 HKD
View
B+
Retailer 9
-
HK$35,895 HKD
View
B+
Retailer 10
-
HK$37,071 HKD
View
Retailer 11
-
HK$37,729 HKD
View
Price last confirmed 22 days ago
B
Retailer 12
-
HK$39,273 HKD
View
B+
Retailer 13
-
HK$42,588 HKD
View
Most Expensive
B
MOH London
43B26F09F · Nov 4
HK$55,441 HKD
£5,570 GBP
View
13 more retailers have this diamond
Prices start from HK$26,381 HKDSave up to HK$29,060 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
1.70ct Cushion
HK$26,381 HKD