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Round|Natural|GIA

1.60ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552615471

Certificate GIA 6552615471

Diamond specifications and retailer prices

From $9,688 NZD
$5,460 USD
As of November 1, 2026
Save $11,661 NZD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $21,348 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.6ct natural round diamond

This 1.6ct natural round 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 and certified by GIA 6552615471. Listed at 19 retailers as of October 30, 2026, with prices from $9,688 to $21,348, a $11,661 spread on the same certified stone. NZ Jewellers lists it at $21,348. 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

1.60
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552615471
Dimensions7.40 × 7.45 × 4.65 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Needle
Top View
7.40 mm7.45 mm1.60 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552615471
Side View
Table 57.0%Crown 35.5°Girdle: Med. - Sli. ThickPavilion 40.8°Culet: NoneDepth 62.6%

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 1
Current: $21,348 NZD|Low: $9,688 NZD|High: $21,348 NZD|Avg: $12,598 NZD
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 2, 2026
Retailer 4$9,688 NZD
Retailer 7$10,085 NZD
Retailer 9$10,224 NZD
Retailer 6$10,674 NZD
Retailer 17$10,674 NZD
Retailer 8$10,743 NZD
Retailer 10$11,385 NZD
Retailer 15$11,563 NZD
Retailer 16$11,742 NZD
Retailer 11$12,159 NZD
Retailer 5$12,239 NZD
Retailer 3$12,389 NZD
Retailer 2$13,128 NZD
Retailer 18$13,343 NZD
Retailer 12$13,887 NZD
Retailer 14$15,683 NZD
Retailer 13$17,788 NZD
NZ Jewellers$21,348 NZD

32 data points across 18 retailers

19 retailers$9,688 NZD to $21,348 NZD

A
Cheapest Retailer
-
$9,688 NZD
$5,460 USD
A
Retailer 2
-
$10,085 NZD
$5,684 USD
View
A
Retailer 3
-
$10,224 NZD
$5,762 USD
View
B+
Retailer 4
-
$10,674 NZD
$6,016 USD
View
Final sale: no returns
B+
Retailer 5
-
$10,674 NZD
$6,016 USD
View
B+
Retailer 6
-
$10,743 NZD
$6,055 USD
View
B+
Retailer 7
-
$11,385 NZD
$6,417 USD
View
B+
Retailer 8
-
$11,563 NZD
$6,517 USD
View
B+
Retailer 9
-
$11,742 NZD
$6,618 USD
View
B+
Retailer 10
-
$12,159 NZD
£5,396 GBP
View
B+
Retailer 11
-
$12,239 NZD
$6,898 USD
View
Retailer 12
-
$12,389 NZD
A$10,742 AUD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$13,128 NZD
£5,826 GBP
View
B+
Retailer 14
-
$13,343 NZD
$7,520 USD
View
B
Retailer 15
-
$13,887 NZD
€7,454 EUR
View
Retailer 16
-
$14,067 NZD
$7,928 USD
View
Price last confirmed 18 days ago
B
Retailer 17
-
$15,683 NZD
ZAR 142,792 ZAR
View
B
Retailer 18
-
$17,788 NZD
£7,894 GBP
View
Most Expensive
B
NZ Jewellers
39c87343-d3a0-47e9-a982-21b63d342af4 · Oct 30
$21,348 NZD
$12,032 USD
View
18 more retailers have this diamond
Prices start from $9,688 NZDSave up to $11,661 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
1.60ct Round
$9,688 NZD