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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 $5,684 USD
As of October 30, 2026
Save $6,348 USD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,032 USD 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 $5,684 to $12,032, a $6,348 spread on the same certified stone. NZ Jewellers lists it at $12,032. 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
Color
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: Oct 30
Current: $12,032 USD|Low: $5,460 USD|High: $12,032 USD|Avg: $7,232 USD
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
October 31, 2026
Retailer 4$5,460 USD
Retailer 7$5,684 USD
Retailer 9$5,762 USD
Retailer 6$6,016 USD
Retailer 18$6,016 USD
Retailer 8$6,055 USD
Retailer 10$6,417 USD
Retailer 16$6,517 USD
Retailer 17$6,618 USD
Retailer 14$6,852 USD
Retailer 5$6,898 USD
Retailer 3$6,982 USD
Retailer 13$7,422 USD
Retailer 19$7,520 USD
Retailer 12$7,861 USD
Retailer 11$7,928 USD
Retailer 2$8,843 USD
Retailer 15$10,080 USD
NZ Jewellers$12,032 USD

31 data points across 19 retailers

19 retailers$5,684 USD to $12,032 USD

Retailer 1
-
$5,460 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$5,684 USD
View
A
Retailer 3
-
$5,762 USD
View
B+
Retailer 4
-
$6,016 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,016 USD
View
B+
Retailer 6
-
$6,055 USD
View
B+
Retailer 7
-
$6,417 USD
View
B+
Retailer 8
-
$6,517 USD
View
B+
Retailer 9
-
$6,618 USD
View
B+
Retailer 10
-
$6,852 USD
£5,396 GBP
View
B+
Retailer 11
-
$6,898 USD
View
Retailer 12
-
$6,982 USD
A$10,742 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$7,422 USD
£5,844 GBP
View
B+
Retailer 14
-
$7,520 USD
View
B
Retailer 15
-
$7,861 USD
€7,487 EUR
View
Retailer 16
-
$7,928 USD
View
Price last confirmed 16 days ago
B
Retailer 17
-
$8,843 USD
ZAR 142,858 ZAR
View
B
Retailer 18
-
$10,080 USD
£7,937 GBP
View
Most Expensive
B
NZ Jewellers
39c87343-d3a0-47e9-a982-21b63d342af4 · Oct 30
$12,032 USD
View
18 more retailers have this diamond
Prices start from $5,684 USDSave up to $6,348 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
1.60ct Round
$5,684 USD