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Cushion|Natural|GIA

1.70ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6552539764

Certificate GIA 6552539764

Diamond specifications and retailer prices

From HK$21,584 HKD
As of November 6, 2026
6 retailers carry this diamond
Most expensive: HK$36,599 HKD at MOH London · As of October 26, 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 6552539764. Listed at 6 retailers as of November 6, 2026. 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
FluorescenceNone
Pavilion angle37.13°
OriginNatural
Grading LabGIA
CertificateGIA 6552539764
Dimensions6.74 × 6.64 × 4.59 mm
L/W Ratio1.02
Key to symbols
Crystal, Feather, Knot, Needle
Top View
6.74 mm6.64 mm1.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552539764
Side View
Table 62.0%CrownGirdle: THK-VTKPavilion 37.13°Culet: NoneDepth 69.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: HK$36,599 HKD|Low: HK$15,244 HKD|High: HK$37,694 HKD|Avg: HK$24,387 HKD|-2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 26, 2026
Retailer 5HK$15,244 HKD
Retailer 4HK$19,233 HKD
Retailer 3HK$21,365 HKD
Retailer 7HK$21,584 HKD
Retailer 6HK$25,558 HKD
Retailer 2HK$31,679 HKD
MOH LondonHK$36,599 HKD

19 data points across 7 retailers

6 retailers

Retailer 1
-
HK$15,244 HKD
Price last confirmed 11 days ago
Retailer 2
-
HK$19,233 HKD
View
Price last confirmed 8 days ago
Retailer 3
-
HK$21,365 HKD
View
Price last confirmed 12 days ago
A
Retailer 4
-
HK$21,584 HKD
View
Retailer 5
-
HK$31,679 HKD
View
Price last confirmed 14 days ago
Most Expensive
MOH London
C000290ED · Oct 26
HK$36,599 HKD
£3,677 GBP
View
Price last confirmed 11 days ago
5 more retailers have this diamond
Prices start from HK$21,584 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$21,584 HKD