Radiant|Natural|GIA

1.70ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6542405819

Certificate GIA 6542405819

Diamond specifications and retailer prices

From $13,715 NZD
$7,717 USD
As of November 1, 2026
Save $15,582 NZD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $29,297 NZD 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 $13,715 to $29,297, a $15,582 spread on the same certified stone. NZ Jewellers lists it at $29,297. 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
Colour
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: $16,504 NZD|Low: $13,715 NZD|High: $24,707 NZD|Avg: $17,231 NZD|-1.3%
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$13,715 NZD
Retailer 10$14,574 NZD
Retailer 3$14,649 NZD
Retailer 11$14,771 NZD
Retailer 2$16,113 NZD
Retailer 8$16,187 NZD
Retailer 5$16,362 NZD
Retailer 1$16,504 NZD
Retailer 4$18,188 NZD
Retailer 7$21,520 NZD
Retailer 6$24,411 NZD

38 data points across 11 retailers

15 retailers$13,715 NZD to $29,297 NZD

B+
Cheapest Retailer
-
$13,715 NZD
$7,717 USD
B+
Retailer 2
-
$14,574 NZD
$8,200 USD
View
B+
Retailer 3
-
$14,649 NZD
$8,242 USD
View
B+
Retailer 4
-
$14,771 NZD
$8,311 USD
View
B+
Retailer 5
-
$15,870 NZD
$8,929 USD
View
B+
Retailer 6
-
$16,113 NZD
$9,066 USD
View
Retailer 7
-
$16,187 NZD
A$14,012 AUD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$16,362 NZD
£7,249 GBP
View
B+
Retailer 9
-
$16,504 NZD
£7,312 GBP
View
B
Retailer 10
-
$18,188 NZD
€9,746 EUR
View
B
Retailer 11
-
$18,310 NZD
$10,302 USD
View
Retailer 12
-
$19,284 NZD
$10,850 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$21,520 NZD
ZAR 195,607 ZAR
View
B
Retailer 14
-
$24,411 NZD
£10,815 GBP
View
Most Expensive
B
NZ Jewellers
1d54afd2-dea2-45ca-b8fb-7682312c287a · Oct 30
$29,297 NZD
$16,484 USD
View
14 more retailers have this diamond
Prices start from $13,715 NZDSave up to $15,582 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
$13,715 NZD