CaratHunter
Plans
Cushion|Natural|GIA

1.70ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5231935687

Certificate GIA 5231935687

Diamond specifications and retailer prices

From €3,165 EUR
As of November 6, 2026
6 retailers carry this diamond
Most expensive: €4,847 EUR at MOH London · As of October 21, 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 5231935687. 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 angle35.33°
OriginNatural
Grading LabGIA
CertificateGIA 5231935687
Dimensions7.77 × 6.12 × 4.27 mm
L/W Ratio1.27
Top View
7.77 mm6.12 mm1.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231935687
Side View
Table 62.0%CrownGirdle: MED-VTKPavilion 35.33°Culet: NoneDepth 69.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €4,847 EUR|Low: €2,109 EUR|High: €5,263 EUR|Avg: €3,453 EUR|-7.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 23, 2026
Retailer 5€2,109 EUR
Retailer 3€2,612 EUR
Retailer 6€2,958 EUR
Retailer 7€3,165 EUR
Retailer 2€3,417 EUR
Retailer 8€4,092 EUR
Retailer 4€4,364 EUR
MOH London€4,847 EUR

23 data points across 8 retailers

6 retailers

Retailer 1
-
€2,109 EUR
Price last confirmed 14 days ago
Retailer 2
-
€2,612 EUR
View
Price last confirmed 8 days ago
Retailer 3
-
€2,958 EUR
View
Price last confirmed 15 days ago
B+
Retailer 4
-
€3,165 EUR
View
Retailer 5
-
€4,364 EUR
View
Price last confirmed 17 days ago
Most Expensive
MOH London
DF45831CF · Oct 21
€4,847 EUR
£4,261 GBP
View
Price last confirmed 16 days ago
5 more retailers have this diamond
Prices start from €3,165 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.

B+
1.70ct Cushion
€3,165 EUR