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Radiant|Natural|GIA

1.70ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6562473629

Certificate GIA 6562473629

Diamond specifications and retailer prices

From $12,469 NZD
As of November 6, 2026
Save $14,877 NZD (54%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $27,345 NZD 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 6562473629. Listed at 27 retailers as of November 5, 2026, with prices from $12,469 to $27,345, a $14,877 spread on the same certified stone. NZ Jewellers lists it at $27,345. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle53.51°
Pavilion angle59.19°
OriginNatural
Grading LabGIA
CertificateGIA 6562473629
Dimensions7.77 × 5.97 × 4.11 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.77 mm5.97 mm1.70 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562473629
Side View
Table 67.0%Crown 53.51°Girdle: THK-VTKPavilion 59.19°Culet: NoneDepth 68.9%

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 6
Current: $20,391 NZD|Low: $12,654 NZD|High: $23,029 NZD|Avg: $16,411 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 7$12,654 NZD
Retailer 2$13,376 NZD
Retailer 11$14,621 NZD
Retailer 6$15,099 NZD
Retailer 10$15,402 NZD
Retailer 4$15,530 NZD
Retailer 3$16,601 NZD
Retailer 8$17,767 NZD
Retailer 9$19,946 NZD
Retailer 1$20,391 NZD
Retailer 5$22,664 NZD

26 data points across 11 retailers

27 retailers$12,469 NZD to $27,345 NZD

B+
Cheapest Retailer
-
$12,469 NZD
B+
Retailer 2
-
$12,654 NZD
View
B+
Retailer 3
-
$13,154 NZD
View
Retailer 4
-
$13,376 NZD
View
Price last confirmed 17 days ago
Retailer 5
-
$13,796 NZD
View
Price last confirmed 27 days ago
B+
Retailer 6
-
$13,834 NZD
View
B+
Retailer 7
-
$14,130 NZD
View
B+
Retailer 8
-
$14,621 NZD
View
B
Retailer 9
-
$14,720 NZD
View
B
Retailer 10
-
$15,008 NZD
View
B
Retailer 11
-
$15,090 NZD
View
Final sale: no returns
Retailer 12
-
$15,091 NZD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$15,099 NZD
View
Retailer 14
-
$15,402 NZD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$15,530 NZD
View
B
Retailer 16
-
$16,349 NZD
View
B
Retailer 17
-
$16,365 NZD
View
B
Retailer 18
-
$16,601 NZD
View
B
Retailer 19
-
$16,708 NZD
View
B
Retailer 20
-
$16,802 NZD
View
B
Retailer 21
-
$17,767 NZD
View
B
Retailer 22
-
$18,865 NZD
View
B
Retailer 23
-
$19,946 NZD
View
Retailer 24
-
$20,391 NZD
View
B
Retailer 25
-
$22,664 NZD
View
B
Retailer 26
-
$23,887 NZD
View
Most Expensive
B
NZ Jewellers
29e75ff6-477c-4d95-8fbb-3e2404f5e011 · Nov 5
$27,345 NZD
$15,159 USD
View
26 more retailers have this diamond
Prices start from $12,469 NZDSave up to $14,877 NZD

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
$12,469 NZD