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Round|Natural|GIA

1.60ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1557994945

Certificate GIA 1557994945

Diamond specifications and retailer prices

From €5,211 EUR
$5,822 USD
As of October 31, 2026
Save €4,233 EUR (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €9,444 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 1557994945. Listed at 14 retailers as of October 30, 2026, with prices from €5,211 to €9,444, a €4,233 spread on the same certified stone. NZ Jewellers lists it at €9,444. 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 angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1557994945
Dimensions7.44 × 7.48 × 4.68 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.44 mm7.48 mm1.60 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1557994945
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 31
Current: €9,444 EUR|Low: €4,777 EUR|High: €9,444 EUR|Avg: €6,266 EUR
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
November 1, 2026
Retailer 5€5,211 EUR
Retailer 7€5,381 EUR
Retailer 3€5,388 EUR
Retailer 4€5,582 EUR
Retailer 10€5,646 EUR
Retailer 12€5,646 EUR
Retailer 13€5,646 EUR
Retailer 2€5,808 EUR
Retailer 9€6,170 EUR
Retailer 11€6,515 EUR
Retailer 8€6,938 EUR
Retailer 6€8,319 EUR
NZ Jewellers€9,444 EUR

31 data points across 13 retailers

14 retailers€5,211 EUR to €9,444 EUR

A
Cheapest Retailer
-
€5,211 EUR
$5,822 USD
Final sale: no returns
A
Retailer 2
-
€5,381 EUR
£4,733 GBP
View
B+
Retailer 3
-
€5,388 EUR
$6,020 USD
View
Retailer 4
-
€5,582 EUR
A$9,594 AUD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
€5,646 EUR
$6,308 USD
View
B+
Retailer 6
-
€5,646 EUR
$6,308 USD
View
B+
Retailer 7
-
€5,646 EUR
$6,308 USD
View
B+
Retailer 8
-
€5,808 EUR
£5,109 GBP
View
B+
Retailer 9
-
€5,863 EUR
$6,550 USD
View
B+
Retailer 10
-
€6,170 EUR
View
B+
Retailer 11
-
€6,515 EUR
$7,279 USD
View
B+
Retailer 12
-
€6,938 EUR
ZAR 125,215 ZAR
View
B
Retailer 13
-
€8,319 EUR
£7,318 GBP
View
Most Expensive
B
NZ Jewellers
a88faf37-89a2-4091-8991-4ed7a9662110 · Oct 30
€9,444 EUR
$10,551 USD
View
13 more retailers have this diamond
Prices start from €5,211 EURSave up to €4,233 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
€5,211 EUR