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Round|Natural|GIA

1.02ct K SI1 Round Natural Diamond

GD • K/SI1 • GIA 6171253664

Certificate GIA 6171253664

Diamond specifications and retailer prices

From $3,653 NZD
As of November 6, 2026
Save $5,682 NZD (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,335 NZD 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 $3,653 to $9,335, a $5,682 spread on the same certified stone. NZ Jewellers lists it at $9,335. 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: $9,335 NZD|Low: $3,752 NZD|High: $9,335 NZD|Avg: $5,394 NZD
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$3,752 NZD
Retailer 8$3,936 NZD
Retailer 10$4,046 NZD
Retailer 9$4,059 NZD
Retailer 7$4,232 NZD
Retailer 2$4,696 NZD
Retailer 4$5,450 NZD
Retailer 3$5,533 NZD
Retailer 5$7,802 NZD
NZ Jewellers$9,335 NZD

43 data points across 10 retailers

13 retailers$3,653 NZD to $9,335 NZD

B+
Cheapest Retailer
-
$3,653 NZD
B+
Retailer 2
-
$3,752 NZD
View
B
Retailer 3
-
$3,936 NZD
View
Retailer 4
-
$4,046 NZD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$4,046 NZD
View
B
Retailer 6
-
$4,059 NZD
View
B
Retailer 7
-
$4,232 NZD
View
B
Retailer 8
-
$4,668 NZD
View
B
Retailer 9
-
$4,696 NZD
View
B
Retailer 10
-
$5,450 NZD
View
B
Retailer 11
-
$5,533 NZD
View
C
Retailer 12
-
$7,802 NZD
View
Most Expensive
C
NZ Jewellers
375ecab0-c24e-476a-82bb-3e4034fff996 · Nov 5
$9,335 NZD
$5,175 USD
View
12 more retailers have this diamond
Prices start from $3,653 NZDSave up to $5,682 NZD

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
$3,653 NZD