Round|Natural|GIA

1.60ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1528839139

Certificate GIA 1528839139

Diamond specifications and retailer prices

From €4,898 EUR
$5,472 USD
As of October 31, 2026
Save €5,889 EUR (55%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €10,787 EUR 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 1528839139. Listed at 25 retailers as of October 30, 2026, with prices from €4,898 to €10,787, a €5,889 spread on the same certified stone. NZ Jewellers lists it at €10,787. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1528839139
Dimensions7.40 × 7.46 × 4.67 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.40 mm7.46 mm1.60 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1528839139
Side View
Table 56.0%Crown 35.5°Girdle: Medium to Slightly ThickPavilion 40.8°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €10,787 EUR|Low: €4,816 EUR|High: €10,787 EUR|Avg: €6,278 EUR
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 1, 2026
Retailer 3€4,816 EUR
Retailer 6€4,898 EUR
Retailer 7€4,953 EUR
Retailer 12€5,096 EUR
Retailer 23€5,101 EUR
Retailer 8€5,164 EUR
Retailer 14€5,393 EUR
Retailer 4€5,394 EUR
Retailer 25€5,429 EUR
Retailer 18€5,589 EUR
Retailer 15€5,721 EUR
Retailer 9€5,753 EUR
Retailer 10€5,843 EUR
Retailer 5€5,933 EUR
Retailer 16€5,934 EUR
Retailer 22€5,951 EUR
Retailer 19€6,144 EUR
Retailer 24€6,260 EUR
Retailer 17€6,381 EUR
Retailer 2€6,634 EUR
Retailer 11€6,742 EUR
Retailer 21€6,901 EUR
Retailer 20€7,924 EUR
Retailer 13€8,988 EUR
NZ Jewellers€10,787 EUR

31 data points across 25 retailers

25 retailers€4,898 EUR to €10,787 EUR

Retailer 1
-
€4,816 EUR
$5,380 USD
Price last confirmed 14 days ago
A
Retailer 2
-
€4,898 EUR
$5,472 USD
View
A
Retailer 3
-
€4,953 EUR
$5,534 USD
View
A
Retailer 4
-
€5,096 EUR
$5,693 USD
View
A
Retailer 5
-
€5,101 EUR
$5,699 USD
View
B+
Retailer 6
-
€5,164 EUR
$5,770 USD
View
B+
Retailer 7
-
€5,393 EUR
$6,025 USD
View
Final sale: no returns
B+
Retailer 8
-
€5,394 EUR
$6,026 USD
View
A
Retailer 9
-
€5,429 EUR
$6,065 USD
View
B+
Retailer 10
-
€5,589 EUR
CA$8,673 CAD
View
B+
Retailer 11
-
€5,721 EUR
$6,392 USD
View
B+
Retailer 12
-
€5,753 EUR
$6,427 USD
View
B+
Retailer 13
-
€5,843 EUR
$6,528 USD
View
B+
Retailer 14
-
€5,933 EUR
$6,628 USD
View
Retailer 15
-
€5,934 EUR
$6,630 USD
View
Price last confirmed 17 days ago
B+
Retailer 16
-
€5,951 EUR
$6,648 USD
View
B+
Retailer 17
-
€6,144 EUR
£5,404 GBP
View
Retailer 18
-
€6,260 EUR
A$10,759 AUD
View
Price last confirmed 10 days ago
B+
Retailer 19
-
€6,381 EUR
$7,129 USD
View
B+
Retailer 20
-
€6,634 EUR
£5,836 GBP
View
B
Retailer 21
-
€6,742 EUR
$7,532 USD
View
B
Retailer 22
-
€6,901 EUR
View
B
Retailer 23
-
€7,924 EUR
ZAR 143,021 ZAR
View
B
Retailer 24
-
€8,988 EUR
£7,907 GBP
View
Most Expensive
B
NZ Jewellers
2943a18f-7cc3-4352-af1e-c57bdbc3520e · Oct 30
€10,787 EUR
$12,051 USD
View
24 more retailers have this diamond
Prices start from €4,898 EURSave up to €5,889 EUR

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
€4,898 EUR