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Cushion|Natural|GIA

1.70ct H SI1 Cushion Natural Diamond

ID • H/SI1 • GIA 6555251052

Certificate GIA 6555251052

Diamond specifications and retailer prices

From €5,763 EUR
HK$50,500 HKD
As of November 1, 2026
Save €5,633 EUR (49%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €11,397 EUR at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.7ct natural cushion diamond

This 1.7ct natural cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555251052. Listed at 18 retailers as of October 28, 2026, with prices from €5,763 to €11,397, a €5,633 spread on the same certified stone. Queensmith lists it at €11,397. 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
H
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555251052
Dimensions8.03 × 6.14 × 4.18 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
8.03 mm6.14 mm1.70 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555251052
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.0%

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 1
Current: €11,397 EUR|Low: €5,763 EUR|High: €11,504 EUR|Avg: €7,953 EUR|+1.2%
Queensmith
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 2, 2026
Retailer 15€5,763 EUR
Retailer 2€6,081 EUR
Retailer 5€6,269 EUR
Retailer 7€6,924 EUR
Retailer 12€6,928 EUR
Retailer 3€7,035 EUR
Retailer 14€7,066 EUR
Retailer 9€7,132 EUR
Retailer 4€7,191 EUR
Retailer 6€7,376 EUR
Retailer 10€7,820 EUR
Retailer 8€8,363 EUR
Retailer 13€9,404 EUR
Retailer 11€10,669 EUR
Queensmith€11,397 EUR

26 data points across 15 retailers

18 retailers€5,763 EUR to €11,397 EUR

B+
Cheapest Retailer
-
€5,763 EUR
HK$50,500 HKD
B+
Retailer 2
-
€6,081 EUR
₹649,516 INR
View
B+
Retailer 3
-
€6,269 EUR
$7,031 USD
View
Retailer 4
-
€6,488 EUR
SGD 9,833 SGD
View
Price last confirmed 22 days ago
B+
Retailer 5
-
€6,924 EUR
SGD 10,494 SGD
View
B+
Retailer 6
-
€6,928 EUR
$7,770 USD
View
B+
Retailer 7
-
€7,035 EUR
$7,890 USD
View
B
Retailer 8
-
€7,066 EUR
$7,925 USD
View
Final sale: no returns
B+
Retailer 9
-
€7,132 EUR
£6,298 GBP
View
B
Retailer 10
-
€7,134 EUR
$8,002 USD
View
B
Retailer 11
-
€7,191 EUR
$8,065 USD
View
Retailer 12
-
€7,376 EUR
A$12,728 AUD
View
Price last confirmed 11 days ago
B
Retailer 13
-
€7,788 EUR
A$13,438 AUD
View
B
Retailer 14
-
€7,820 EUR
$8,771 USD
View
B
Retailer 15
-
€8,363 EUR
View
B
Retailer 16
-
€9,404 EUR
ZAR 170,401 ZAR
View
B
Retailer 17
-
€10,669 EUR
£9,422 GBP
View
Most Expensive
B
Queensmith
6555251052 · Oct 28
€11,397 EUR
£10,065 GBP
View
17 more retailers have this diamond
Prices start from €5,763 EURSave up to €5,633 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
€5,763 EUR