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Round|Natural|GIA

1.02ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2427869838

Certificate GIA 2427869838

Diamond specifications and retailer prices

From $1,931 SGD
As of October 31, 2026
Save $3,634 SGD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,565 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 top-tier cut grade and certified by GIA 2427869838. Listed at 19 retailers as of October 31, 2026, with prices from $1,931 to $5,565, a $3,634 spread on the same certified stone. NZ Jewellers lists it at $5,565. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.02
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2427869838
Dimensions6.49 × 6.46 × 3.97 mm
L/W Ratio1.00
Top View
6.49 mm6.46 mm1.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2427869838
Side View
Table 59.0%Crown 32°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,699 SGD|Low: $1,927 SGD|High: $4,720 SGD|Avg: $2,873 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$1,931 SGD
Retailer 8$1,945 SGD
Retailer 10$2,405 SGD
Retailer 9$2,538 SGD
Retailer 1$2,699 SGD
Retailer 2$2,785 SGD
Retailer 4$2,874 SGD
Retailer 3$3,248 SGD
Retailer 6$3,272 SGD
Retailer 5$4,663 SGD

40 data points across 10 retailers

19 retailers$1,931 SGD to $5,565 SGD

A
Cheapest Retailer
-
$1,931 SGD
A
Retailer 2
-
$1,945 SGD
View
B+
Retailer 3
-
$2,334 SGD
View
B+
Retailer 4
-
$2,405 SGD
View
B+
Retailer 5
-
$2,538 SGD
View
B+
Retailer 6
-
$2,662 SGD
View
Retailer 7
-
$2,662 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,695 SGD
View
B+
Retailer 9
-
$2,699 SGD
View
Retailer 10
-
$2,751 SGD
View
Price last confirmed 109 days ago
B+
Retailer 11
-
$2,785 SGD
View
B+
Retailer 12
-
$2,838 SGD
View
B+
Retailer 13
-
$2,874 SGD
View
B
Retailer 14
-
$3,072 SGD
View
B+
Retailer 15
-
$3,248 SGD
View
B+
Retailer 16
-
$3,272 SGD
View
B
Retailer 17
-
$4,048 SGD
View
B
Retailer 18
-
$4,663 SGD
View
Most Expensive
B
NZ Jewellers
76b7396f-8749-4db6-ab71-bf60b74db0de · Nov 5
$5,565 SGD
$4,357 USD
View
18 more retailers have this diamond
Prices start from $1,931 SGDSave up to $3,634 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.

A
1.02ct Round
$1,931 SGD