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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 $2,893 AUD
As of November 6, 2026
Save $4,500 AUD (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,392 AUD 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 $2,893 to $7,392, a $4,500 spread on the same certified stone. NZ Jewellers lists it at $7,392. 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: $7,392 AUD|Low: $2,971 AUD|High: $7,392 AUD|Avg: $4,272 AUD
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$2,971 AUD
Retailer 8$3,117 AUD
Retailer 10$3,204 AUD
Retailer 9$3,214 AUD
Retailer 7$3,351 AUD
Retailer 2$3,718 AUD
Retailer 4$4,315 AUD
Retailer 3$4,381 AUD
Retailer 5$6,178 AUD
NZ Jewellers$7,392 AUD

43 data points across 10 retailers

13 retailers$2,893 AUD to $7,392 AUD

B+
Cheapest Retailer
-
$2,893 AUD
B+
Retailer 2
-
$2,971 AUD
View
B
Retailer 3
-
$3,117 AUD
View
Retailer 4
-
$3,204 AUD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$3,204 AUD
View
B
Retailer 6
-
$3,214 AUD
View
B
Retailer 7
-
$3,351 AUD
View
B
Retailer 8
-
$3,697 AUD
View
B
Retailer 9
-
$3,718 AUD
View
B
Retailer 10
-
$4,315 AUD
View
B
Retailer 11
-
$4,381 AUD
View
C
Retailer 12
-
$6,178 AUD
View
Most Expensive
C
NZ Jewellers
375ecab0-c24e-476a-82bb-3e4034fff996 · Nov 5
$7,392 AUD
$5,175 USD
View
12 more retailers have this diamond
Prices start from $2,893 AUDSave up to $4,500 AUD

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
$2,893 AUD