Round|Natural|GIA

1.02ct K SI1 Round Natural Diamond

GD • K/SI1 • GIA 6171253664

Certificate GIA 6171253664

Diamond specifications and retailer prices

From €1,814 EUR
As of November 6, 2026
Save €2,821 EUR (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,635 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 standard cut grade and certified by GIA 6171253664. Listed at 13 retailers as of November 5, 2026, with prices from €1,814 to €4,635, a €2,821 spread on the same certified stone. NZ Jewellers lists it at €4,635. 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
K
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6171253664
Dimensions6.19 × 6.16 × 4.08 mm
L/W Ratio1.00
Star length55%
Lower girdle80%
Top View
6.19 mm6.16 mm1.02 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6171253664
Side View
Table 58.0%Crown 38°Girdle: THK-VTKPavilion 41°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €4,635 EUR|Low: €1,863 EUR|High: €4,635 EUR|Avg: €2,678 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6€1,863 EUR
Retailer 8€1,954 EUR
Retailer 10€2,009 EUR
Retailer 9€2,015 EUR
Retailer 7€2,101 EUR
Retailer 2€2,331 EUR
Retailer 4€2,706 EUR
Retailer 3€2,747 EUR
Retailer 5€3,874 EUR
NZ Jewellers€4,635 EUR

43 data points across 10 retailers

13 retailers€1,814 EUR to €4,635 EUR

B+
Cheapest Retailer
-
€1,814 EUR
B+
Retailer 2
-
€1,863 EUR
View
B
Retailer 3
-
€1,954 EUR
View
Retailer 4
-
€2,009 EUR
View
Price last confirmed 8 days ago
B
Retailer 5
-
€2,009 EUR
View
B
Retailer 6
-
€2,015 EUR
View
B
Retailer 7
-
€2,101 EUR
View
B
Retailer 8
-
€2,318 EUR
View
B
Retailer 9
-
€2,331 EUR
View
B
Retailer 10
-
€2,706 EUR
View
B
Retailer 11
-
€2,747 EUR
View
C
Retailer 12
-
€3,874 EUR
View
Most Expensive
C
NZ Jewellers
375ecab0-c24e-476a-82bb-3e4034fff996 · Nov 5
€4,635 EUR
$5,175 USD
View
12 more retailers have this diamond
Prices start from €1,814 EURSave up to €2,821 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.

B+
1.02ct Round
€1,814 EUR