Radiant|Natural|GIA

1.70ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6542405819

Certificate GIA 6542405819

Diamond specifications and retailer prices

From $10,780 CAD
$7,717 USD
As of October 30, 2026
Save $12,247 CAD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $23,026 CAD 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 $10,780 to $23,026, a $12,247 spread on the same certified stone. NZ Jewellers lists it at $23,026. 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: Oct 30
Current: $19,186 CAD|Low: $10,780 CAD|High: $19,419 CAD|Avg: $13,637 CAD|-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 1, 2026
Retailer 9$10,780 CAD
Retailer 10$11,455 CAD
Retailer 3$11,513 CAD
Retailer 11$11,610 CAD
Retailer 2$12,664 CAD
Retailer 8$12,723 CAD
Retailer 5$12,753 CAD
Retailer 4$12,973 CAD
Retailer 7$14,251 CAD
Retailer 6$16,914 CAD
Retailer 1$19,186 CAD

39 data points across 11 retailers

15 retailers$10,780 CAD to $23,026 CAD

B+
Cheapest Retailer
-
$10,780 CAD
$7,717 USD
B+
Retailer 2
-
$11,455 CAD
$8,200 USD
View
B+
Retailer 3
-
$11,513 CAD
$8,242 USD
View
B+
Retailer 4
-
$11,610 CAD
$8,311 USD
View
B+
Retailer 5
-
$12,473 CAD
$8,929 USD
View
B+
Retailer 6
-
$12,664 CAD
$9,066 USD
View
Retailer 7
-
$12,723 CAD
A$14,012 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$12,753 CAD
£7,189 GBP
View
B+
Retailer 9
-
$12,973 CAD
£7,313 GBP
View
B
Retailer 10
-
$14,251 CAD
€9,716 EUR
View
B
Retailer 11
-
$14,391 CAD
$10,302 USD
View
Retailer 12
-
$15,156 CAD
$10,850 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$16,914 CAD
ZAR 195,607 ZAR
View
B
Retailer 14
-
$19,186 CAD
£10,815 GBP
View
Most Expensive
B
NZ Jewellers
1d54afd2-dea2-45ca-b8fb-7682312c287a · Oct 30
$23,026 CAD
$16,484 USD
View
14 more retailers have this diamond
Prices start from $10,780 CADSave up to $12,247 CAD

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
$10,780 CAD