Round|Natural|GIA

1.02ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2427869838

Certificate GIA 2427869838

Diamond specifications and retailer prices

From €1,354 EUR
As of October 31, 2026
Save €2,548 EUR (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,902 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2427869838. Listed at 19 retailers as of October 31, 2026, with prices from €1,354 to €3,902, a €2,548 spread on the same certified stone. NZ Jewellers lists it at €3,902. 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

1.02
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2427869838
Dimensions6.49 × 6.46 × 3.97 mm
L/W Ratio1.00
Top View
6.49 mm6.46 mm1.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2427869838
Side View
Table 59.0%Crown 32°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €1,893 EUR|Low: €1,352 EUR|High: €3,309 EUR|Avg: €2,015 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7€1,354 EUR
Retailer 8€1,364 EUR
Retailer 10€1,687 EUR
Retailer 9€1,780 EUR
Retailer 1€1,893 EUR
Retailer 2€1,953 EUR
Retailer 4€2,015 EUR
Retailer 3€2,278 EUR
Retailer 6€2,295 EUR
Retailer 5€3,270 EUR

40 data points across 10 retailers

19 retailers€1,354 EUR to €3,902 EUR

A
Cheapest Retailer
-
€1,354 EUR
A
Retailer 2
-
€1,364 EUR
View
B+
Retailer 3
-
€1,636 EUR
View
B+
Retailer 4
-
€1,687 EUR
View
B+
Retailer 5
-
€1,780 EUR
View
B+
Retailer 6
-
€1,867 EUR
View
Retailer 7
-
€1,867 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€1,890 EUR
View
B+
Retailer 9
-
€1,893 EUR
View
Retailer 10
-
€1,929 EUR
View
Price last confirmed 109 days ago
B+
Retailer 11
-
€1,953 EUR
View
B+
Retailer 12
-
€1,990 EUR
View
B+
Retailer 13
-
€2,015 EUR
View
B
Retailer 14
-
€2,154 EUR
View
B+
Retailer 15
-
€2,278 EUR
View
B+
Retailer 16
-
€2,295 EUR
View
B
Retailer 17
-
€2,838 EUR
View
B
Retailer 18
-
€3,270 EUR
View
Most Expensive
B
NZ Jewellers
76b7396f-8749-4db6-ab71-bf60b74db0de · Nov 5
€3,902 EUR
$4,357 USD
View
18 more retailers have this diamond
Prices start from €1,354 EURSave up to €2,548 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
€1,354 EUR