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Radiant|Natural|GIA

1.70ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6542405819

Certificate GIA 6542405819

Diamond specifications and retailer prices

From €6,907 EUR
$7,717 USD
As of November 1, 2026
Save €7,847 EUR (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €14,755 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural radiant diamond

This 1.7ct natural radiant 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 6542405819. Listed at 15 retailers as of October 30, 2026, with prices from €6,907 to €14,755, a €7,847 spread on the same certified stone. NZ Jewellers lists it at €14,755. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542405819
Dimensions7.80 × 5.99 × 4.17 mm
L/W Ratio1.30
Culet sizeNone
Top View
7.80 mm5.99 mm1.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542405819
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: 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 1
Current: €8,240 EUR|Low: €6,907 EUR|High: €12,443 EUR|Avg: €8,735 EUR|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9€6,907 EUR
Retailer 10€7,340 EUR
Retailer 3€7,377 EUR
Retailer 11€7,439 EUR
Retailer 2€8,115 EUR
Retailer 8€8,152 EUR
Retailer 1€8,240 EUR
Retailer 5€8,313 EUR
Retailer 7€9,132 EUR
Retailer 6€10,838 EUR
Retailer 4€12,294 EUR

39 data points across 11 retailers

15 retailers€6,907 EUR to €14,755 EUR

B+
Cheapest Retailer
-
€6,907 EUR
$7,717 USD
B+
Retailer 2
-
€7,340 EUR
$8,200 USD
View
B+
Retailer 3
-
€7,377 EUR
$8,242 USD
View
B+
Retailer 4
-
€7,439 EUR
$8,311 USD
View
B+
Retailer 5
-
€7,992 EUR
$8,929 USD
View
B+
Retailer 6
-
€8,115 EUR
$9,066 USD
View
Retailer 7
-
€8,152 EUR
A$14,012 AUD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€8,240 EUR
£7,249 GBP
View
B+
Retailer 9
-
€8,313 EUR
£7,313 GBP
View
B
Retailer 10
-
€9,132 EUR
View
B
Retailer 11
-
€9,221 EUR
$10,302 USD
View
Retailer 12
-
€9,712 EUR
$10,850 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
€10,838 EUR
ZAR 195,607 ZAR
View
B
Retailer 14
-
€12,294 EUR
£10,815 GBP
View
Most Expensive
B
NZ Jewellers
1d54afd2-dea2-45ca-b8fb-7682312c287a · Oct 30
€14,755 EUR
$16,484 USD
View
14 more retailers have this diamond
Prices start from €6,907 EURSave up to €7,847 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 Radiant
€6,907 EUR