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Cushion|Natural|GIA

1.70ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 5556438420

Certificate GIA 5556438420

Diamond specifications and retailer prices

From €7,500 EUR
SGD 11,323 SGD
As of October 31, 2026
Save €6,104 EUR (45%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €13,604 EUR at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

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 5556438420. Listed at 21 retailers as of October 31, 2026, with prices from €7,500 to €13,604, a €6,104 spread on the same certified stone. 77 Diamonds lists it at €13,604. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5556438420
Dimensions8.31 × 6.20 × 4.12 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Indented Natural, Cloud
Top View
8.31 mm6.20 mm1.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5556438420
Side View
Table 68.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.5%

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: Oct 31
Current: €13,604 EUR|Low: €6,301 EUR|High: €13,604 EUR|Avg: €8,522 EUR|+69.3%
77 Diamonds
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 19€6,301 EUR
Retailer 16€6,680 EUR
Retailer 10€6,841 EUR
Retailer 9€7,500 EUR
Retailer 18€7,729 EUR
Retailer 4€7,778 EUR
Retailer 11€7,841 EUR
Retailer 15€7,939 EUR
Retailer 17€7,956 EUR
Retailer 6€8,616 EUR
Retailer 3€8,697 EUR
Retailer 5€9,141 EUR
Retailer 8€10,311 EUR
Retailer 2€10,355 EUR
Retailer 12€10,966 EUR
Retailer 13€11,038 EUR
Retailer 7€11,809 EUR
Retailer 14€11,885 EUR
77 Diamonds€13,604 EUR

23 data points across 19 retailers

21 retailers€7,500 EUR to €13,604 EUR

Retailer 1
-
€6,301 EUR
HK$55,000 HKD
Price last confirmed 12 days ago
Retailer 2
-
€6,680 EUR
₹710,735 INR
View
Price last confirmed 11 days ago
Retailer 3
-
€6,841 EUR
$7,643 USD
View
Price last confirmed 18 days ago
Retailer 4
-
€7,025 EUR
SGD 10,606 SGD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
€7,500 EUR
SGD 11,323 SGD
View
Retailer 6
-
€7,729 EUR
$8,635 USD
View
Price last confirmed 11 days ago
B
Retailer 7
-
€7,729 EUR
$8,635 USD
View
Retailer 8
-
€7,841 EUR
$8,760 USD
View
Price last confirmed 17 days ago
Retailer 9
-
€7,939 EUR
A$13,646 AUD
View
Price last confirmed 11 days ago
Retailer 10
-
€7,956 EUR
£6,999 GBP
View
Price last confirmed 12 days ago
B
Retailer 11
-
€8,546 EUR
A$14,688 AUD
View
Retailer 12
-
€8,616 EUR
$9,625 USD
View
Price last confirmed 14 days ago
Retailer 13
-
€8,697 EUR
$9,716 USD
View
Price last confirmed 13 days ago
Retailer 14
-
€10,311 EUR
ZAR 186,099 ZAR
View
Price last confirmed 15 days ago
B
Retailer 15
-
€10,355 EUR
$11,569 USD
View
B
Retailer 16
-
€10,966 EUR
$12,251 USD
View
B
Retailer 17
-
€11,038 EUR
$12,332 USD
View
B
Retailer 18
-
€11,118 EUR
A$19,109 AUD
View
Retailer 19
-
€11,809 EUR
£10,388 GBP
View
Price last confirmed 12 days ago
Retailer 20
-
€11,885 EUR
£10,455 GBP
View
Price last confirmed 11 days ago
Most Expensive
C
77 Diamonds
CUSZAFRFZ72N · Nov 2
€13,604 EUR
£11,967 GBP
View
20 more retailers have this diamond
Prices start from €7,500 EURSave up to €6,104 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
€7,500 EUR