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Round|Natural|GIA

1.70ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6565221386

Certificate GIA 6565221386

Diamond specifications and retailer prices

From €4,491 EUR
HK$39,200 HKD
As of November 1, 2026
Save €5,506 EUR (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €9,997 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565221386. Listed at 21 retailers as of October 30, 2026, with prices from €4,491 to €9,997, a €5,506 spread on the same certified stone. NZ Jewellers lists it at €9,997. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565221386
Dimensions7.63 × 7.67 × 4.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
7.63 mm7.67 mm1.70 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565221386
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.3%

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: €9,997 EUR|Low: €4,491 EUR|High: €9,997 EUR|Avg: €6,354 EUR
NZ Jewellers
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
November 1, 2026
Retailer 14€4,491 EUR
Retailer 9€4,741 EUR
Retailer 5€5,209 EUR
Retailer 6€5,248 EUR
Retailer 7€5,516 EUR
Retailer 15€5,517 EUR
Retailer 12€5,695 EUR
Retailer 8€5,862 EUR
Retailer 4€5,977 EUR
Retailer 3€6,069 EUR
Retailer 2€6,503 EUR
Retailer 16€6,897 EUR
Retailer 10€7,139 EUR
Retailer 13€7,344 EUR
Retailer 11€8,807 EUR
NZ Jewellers€9,997 EUR

28 data points across 16 retailers

21 retailers€4,491 EUR to €9,997 EUR

B+
Cheapest Retailer
-
€4,491 EUR
HK$39,200 HKD
B+
Retailer 2
-
€4,741 EUR
₹504,435 INR
View
Retailer 3
-
€5,114 EUR
SGD 7,721 SGD
View
Price last confirmed 18 days ago
Retailer 4
-
€5,209 EUR
$5,820 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
€5,210 EUR
$5,821 USD
View
B+
Retailer 6
-
€5,248 EUR
SGD 7,923 SGD
View
B
Retailer 7
-
€5,456 EUR
$6,096 USD
View
B
Retailer 8
-
€5,460 EUR
$6,100 USD
View
B
Retailer 9
-
€5,516 EUR
$6,163 USD
View
Final sale: no returns
B
Retailer 10
-
€5,517 EUR
$6,164 USD
View
B+
Retailer 11
-
€5,695 EUR
£5,010 GBP
View
Retailer 12
-
€5,862 EUR
A$10,075 AUD
View
Price last confirmed 28 days ago
B
Retailer 13
-
€5,977 EUR
$6,678 USD
View
B
Retailer 14
-
€6,069 EUR
$6,780 USD
View
B
Retailer 15
-
€6,120 EUR
$6,837 USD
View
B
Retailer 16
-
€6,503 EUR
View
B
Retailer 17
-
€6,897 EUR
$7,705 USD
View
B
Retailer 18
-
€7,139 EUR
£6,280 GBP
View
B
Retailer 19
-
€7,344 EUR
ZAR 132,544 ZAR
View
B
Retailer 20
-
€8,807 EUR
£7,747 GBP
View
Most Expensive
B
NZ Jewellers
4024a8aa-6a7b-456e-b203-09dedccd4369 · Oct 30
€9,997 EUR
$11,169 USD
View
20 more retailers have this diamond
Prices start from €4,491 EURSave up to €5,506 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 Round
€4,491 EUR