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Cushion|Natural|GIA

1.70ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5563208516

Certificate GIA 5563208516

Diamond specifications and retailer prices

From €3,258 EUR
As of November 6, 2026
Save €3,628 EUR (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €6,886 EUR 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 5563208516. Listed at 13 retailers as of November 4, 2026, with prices from €3,258 to €6,886, a €3,628 spread on the same certified stone. MOH London lists it at €6,886. 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 5563208516
Dimensions8.47 × 6.05 × 4.04 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
8.47 mm6.05 mm1.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5563208516
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 66.8%

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: €6,886 EUR|Low: €3,258 EUR|High: €6,942 EUR|Avg: €4,598 EUR|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2€3,258 EUR
Retailer 7€4,085 EUR
Retailer 3€4,206 EUR
Retailer 6€4,271 EUR
Retailer 8€4,380 EUR
Retailer 9€4,562 EUR
Retailer 4€4,613 EUR
Retailer 5€5,289 EUR
MOH London€6,886 EUR

28 data points across 9 retailers

13 retailers€3,258 EUR to €6,886 EUR

A
Cheapest Retailer
-
€3,258 EUR
B+
Retailer 2
-
€3,781 EUR
View
B+
Retailer 3
-
€3,977 EUR
View
B+
Retailer 4
-
€4,084 EUR
View
B+
Retailer 5
-
€4,085 EUR
View
B+
Retailer 6
-
€4,206 EUR
View
B+
Retailer 7
-
€4,271 EUR
View
Retailer 8
-
€4,380 EUR
View
Price last confirmed 10 days ago
Retailer 9
-
€4,559 EUR
View
Price last confirmed 39 days ago
B
Retailer 10
-
€4,562 EUR
View
B
Retailer 11
-
€4,613 EUR
View
B
Retailer 12
-
€5,289 EUR
View
Most Expensive
B
MOH London
426D53C74 · Nov 4
€6,886 EUR
£6,054 GBP
View
12 more retailers have this diamond
Prices start from €3,258 EURSave up to €3,628 EUR

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
€3,258 EUR