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Round|Natural|GIA

1.02ct I SI1 Round Natural Diamond

VG • I/SI1 • GIA 2518108397

Certificate GIA 2518108397

Diamond specifications and retailer prices

From €1,857 EUR
As of November 6, 2026
Save €2,532 EUR (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,389 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2518108397. Listed at 18 retailers as of November 5, 2026, with prices from €1,857 to €4,389, a €2,532 spread on the same certified stone. NZ Jewellers lists it at €4,389. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.02
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2518108397
Dimensions6.37 × 6.33 × 4.03 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
6.37 mm6.33 mm1.02 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2518108397
Side View
Table 57.0%Crown 36°Girdle: STK-THKPavilion 41°Culet: NoneDepth 63.4%

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 6
Current: €2,268 EUR|Low: €1,615 EUR|High: €3,721 EUR|Avg: €2,423 EUR|+3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 9€1,857 EUR
Retailer 6€1,938 EUR
Retailer 5€1,944 EUR
Retailer 8€2,196 EUR
Retailer 1€2,268 EUR
Retailer 3€2,562 EUR
Retailer 7€2,584 EUR
Retailer 2€2,601 EUR
Retailer 4€3,668 EUR

44 data points across 9 retailers

18 retailers€1,857 EUR to €4,389 EUR

A
Cheapest Retailer
-
€1,857 EUR
A
Retailer 2
-
€1,896 EUR
View
B+
Retailer 3
-
€1,938 EUR
View
Final sale: no returns
A
Retailer 4
-
€1,944 EUR
View
B+
Retailer 5
-
€2,096 EUR
View
Retailer 6
-
€2,099 EUR
View
Price last confirmed 61 days ago
Retailer 7
-
€2,099 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€2,099 EUR
View
B+
Retailer 9
-
€2,196 EUR
View
B+
Retailer 10
-
€2,224 EUR
View
B+
Retailer 11
-
€2,268 EUR
View
Retailer 12
-
€2,423 EUR
View
Price last confirmed 61 days ago
B+
Retailer 13
-
€2,423 EUR
View
B+
Retailer 14
-
€2,562 EUR
View
Retailer 15
-
€2,584 EUR
View
Price last confirmed 31 days ago
B+
Retailer 16
-
€2,601 EUR
View
B
Retailer 17
-
€3,668 EUR
View
Most Expensive
B
NZ Jewellers
e18a236a-74eb-4954-adfb-8ae465e80a09 · Nov 5
€4,389 EUR
$4,900 USD
View
17 more retailers have this diamond
Prices start from €1,857 EURSave up to €2,532 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
1.02ct Round
€1,857 EUR