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Radiant|Natural|GIA

1.70ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 7538281786

Certificate GIA 7538281786

Diamond specifications and retailer prices

From $10,273 NZD
As of November 6, 2026
Save $11,256 NZD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $21,530 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 7538281786. Listed at 20 retailers as of November 5, 2026, with prices from $10,273 to $21,530, a $11,256 spread on the same certified stone. NZ Jewellers lists it at $21,530. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7538281786
Dimensions7.76 × 5.96 × 4.15 mm
L/W Ratio1.30
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.76 mm5.96 mm1.70 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7538281786
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.6%

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 6
Current: $21,530 NZD|Low: $10,273 NZD|High: $21,733 NZD|Avg: $13,400 NZD|-0.9%
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
November 7, 2026
Retailer 10$10,273 NZD
Retailer 7$10,766 NZD
Retailer 8$10,867 NZD
Retailer 14$11,130 NZD
Retailer 4$11,220 NZD
Retailer 6$11,484 NZD
Retailer 3$11,662 NZD
Retailer 18$11,662 NZD
Retailer 15$12,223 NZD
Retailer 2$12,227 NZD
Retailer 12$12,378 NZD
Retailer 9$12,611 NZD
Retailer 5$13,457 NZD
Retailer 11$13,677 NZD
Retailer 16$13,986 NZD
Retailer 17$15,707 NZD
Retailer 13$18,863 NZD
NZ Jewellers$21,530 NZD

27 data points across 18 retailers

20 retailers$10,273 NZD to $21,530 NZD

A
Cheapest Retailer
-
$10,273 NZD
A
Retailer 2
-
$10,766 NZD
View
Final sale: no returns
Retailer 3
-
$10,867 NZD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$11,130 NZD
View
A
Retailer 5
-
$11,220 NZD
View
B+
Retailer 6
-
$11,484 NZD
View
B+
Retailer 7
-
$11,662 NZD
View
B+
Retailer 8
-
$11,662 NZD
View
B+
Retailer 9
-
$12,223 NZD
View
B+
Retailer 10
-
$12,227 NZD
View
Retailer 11
-
$12,378 NZD
View
Retailer 12
-
$12,611 NZD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
$13,223 NZD
View
B+
Retailer 14
-
$13,457 NZD
View
Retailer 15
-
$13,677 NZD
View
B+
Retailer 16
-
$13,986 NZD
View
Retailer 17
-
$14,321 NZD
View
Price last confirmed 15 days ago
B+
Retailer 18
-
$15,707 NZD
View
B
Retailer 19
-
$18,863 NZD
View
Most Expensive
B
NZ Jewellers
563d825d-6565-4a33-aed0-1c3b04c00733 · Nov 5
$21,530 NZD
$11,935 USD
View
19 more retailers have this diamond
Prices start from $10,273 NZDSave up to $11,256 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.

A
1.70ct Radiant
$10,273 NZD