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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 $2,587 SGD
As of November 6, 2026
Save $4,023 SGD (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,610 SGD 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 $2,587 to $6,610, a $4,023 spread on the same certified stone. NZ Jewellers lists it at $6,610. 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: $6,610 SGD|Low: $2,657 SGD|High: $6,610 SGD|Avg: $3,820 SGD
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$2,657 SGD
Retailer 8$2,787 SGD
Retailer 10$2,865 SGD
Retailer 9$2,874 SGD
Retailer 7$2,997 SGD
Retailer 2$3,325 SGD
Retailer 4$3,859 SGD
Retailer 3$3,917 SGD
Retailer 5$5,524 SGD
NZ Jewellers$6,610 SGD

43 data points across 10 retailers

13 retailers$2,587 SGD to $6,610 SGD

B+
Cheapest Retailer
-
$2,587 SGD
B+
Retailer 2
-
$2,657 SGD
View
B
Retailer 3
-
$2,787 SGD
View
Retailer 4
-
$2,865 SGD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$2,865 SGD
View
B
Retailer 6
-
$2,874 SGD
View
B
Retailer 7
-
$2,997 SGD
View
B
Retailer 8
-
$3,306 SGD
View
B
Retailer 9
-
$3,325 SGD
View
B
Retailer 10
-
$3,859 SGD
View
B
Retailer 11
-
$3,917 SGD
View
C
Retailer 12
-
$5,524 SGD
View
Most Expensive
C
NZ Jewellers
375ecab0-c24e-476a-82bb-3e4034fff996 · Nov 5
$6,610 SGD
$5,175 USD
View
12 more retailers have this diamond
Prices start from $2,587 SGDSave up to $4,023 SGD

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
$2,587 SGD