Round|Natural|GIA

1.02ct K SI1 Round Natural Diamond

GD • K/SI1 • GIA 6171253664

Certificate GIA 6171253664

Diamond specifications and retailer prices

From $2,025 USD
As of November 6, 2026
Save $3,150 USD (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,175 USD 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 $2,025 to $5,175, a $3,150 spread on the same certified stone. NZ Jewellers lists it at $5,175. 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
Color
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: $5,175 USD|Low: $2,080 USD|High: $5,175 USD|Avg: $2,990 USD
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$2,080 USD
Retailer 8$2,182 USD
Retailer 10$2,243 USD
Retailer 9$2,250 USD
Retailer 7$2,346 USD
Retailer 2$2,603 USD
Retailer 4$3,021 USD
Retailer 3$3,067 USD
Retailer 5$4,325 USD
NZ Jewellers$5,175 USD

43 data points across 10 retailers

13 retailers$2,025 USD to $5,175 USD

B+
Cheapest Retailer
-
$2,025 USD
B+
Retailer 2
-
$2,080 USD
View
B
Retailer 3
-
$2,182 USD
View
Retailer 4
-
$2,243 USD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$2,243 USD
View
B
Retailer 6
-
$2,250 USD
View
B
Retailer 7
-
$2,346 USD
View
B
Retailer 8
-
$2,588 USD
View
B
Retailer 9
-
$2,603 USD
View
B
Retailer 10
-
$3,021 USD
View
B
Retailer 11
-
$3,067 USD
View
C
Retailer 12
-
$4,325 USD
View
Most Expensive
C
NZ Jewellers
375ecab0-c24e-476a-82bb-3e4034fff996 · Nov 5
$5,175 USD
View
12 more retailers have this diamond
Prices start from $2,025 USDSave up to $3,150 USD

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
$2,025 USD