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Radiant|Natural|GIA

1.70ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 1568416858

Certificate GIA 1568416858

Diamond specifications and retailer prices

From $6,337 USD
As of November 5, 2026
Save $8,437 USD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $14,774 USD at NZ Jewellers · As of November 5, 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 I 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 1568416858. Listed at 22 retailers as of November 5, 2026, with prices from $6,337 to $14,774, a $8,437 spread on the same certified stone. NZ Jewellers lists it at $14,774. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1568416858
Dimensions8.10 × 5.92 × 4.01 mm
L/W Ratio1.37
Girdle conditionPolished
Top View
8.10 mm5.92 mm1.70 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568416858
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $14,774 USD|Low: $6,286 USD|High: $14,835 USD|Avg: $8,161 USD|-0.4%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 6$6,337 USD
Retailer 3$6,464 USD
Retailer 14$6,475 USD
Retailer 19$6,792 USD
Retailer 10$6,815 USD
Retailer 2$6,910 USD
Retailer 20$7,039 USD
Retailer 8$7,142 USD
Retailer 11$7,375 USD
Retailer 5$7,386 USD
Retailer 21$7,450 USD
Retailer 4$7,552 USD
Retailer 13$7,650 USD
Retailer 16$8,330 USD
Retailer 12$8,409 USD
Retailer 7$8,470 USD
Retailer 9$9,133 USD
Retailer 18$9,336 USD
Retailer 15$10,776 USD
Retailer 17$12,277 USD
NZ Jewellers$14,774 USD

17 data points across 21 retailers

22 retailers$6,337 USD to $14,774 USD

A
Cheapest Retailer
-
$6,337 USD
B+
Retailer 2
-
$6,464 USD
View
Retailer 3
-
$6,475 USD
View
Price last confirmed 17 days ago
B+
Retailer 4
-
$6,792 USD
View
B+
Retailer 5
-
$6,815 USD
View
B+
Retailer 6
-
$6,910 USD
View
B+
Retailer 7
-
$7,039 USD
View
B+
Retailer 8
-
$7,142 USD
View
Retailer 9
-
$7,175 USD
View
Price last confirmed 27 days ago
B+
Retailer 10
-
$7,375 USD
View
B+
Retailer 11
-
$7,386 USD
View
Final sale: no returns
B+
Retailer 12
-
$7,450 USD
View
B+
Retailer 13
-
$7,552 USD
View
B+
Retailer 14
-
$7,650 USD
View
B+
Retailer 15
-
$8,330 USD
View
Retailer 16
-
$8,409 USD
View
Price last confirmed 15 days ago
B
Retailer 17
-
$8,470 USD
View
B+
Retailer 18
-
$9,133 USD
View
B
Retailer 19
-
$9,336 USD
View
B
Retailer 20
-
$10,776 USD
View
B
Retailer 21
-
$12,277 USD
View
Most Expensive
B
NZ Jewellers
698f19e5-414c-4929-baa6-81cbfbda613b · Nov 5
$14,774 USD
View
21 more retailers have this diamond
Prices start from $6,337 USDSave up to $8,437 USD

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.

A
1.70ct Radiant
$6,337 USD