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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 $2,160 AUD
As of October 31, 2026
Save $4,064 AUD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,224 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 top-tier cut grade and certified by GIA 2427869838. Listed at 19 retailers as of October 31, 2026, with prices from $2,160 to $6,224, a $4,064 spread on the same certified stone. NZ Jewellers lists it at $6,224. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,018 AUD|Low: $2,156 AUD|High: $5,278 AUD|Avg: $3,213 AUD
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$2,160 AUD
Retailer 8$2,176 AUD
Retailer 10$2,690 AUD
Retailer 9$2,838 AUD
Retailer 1$3,018 AUD
Retailer 2$3,114 AUD
Retailer 4$3,214 AUD
Retailer 3$3,633 AUD
Retailer 6$3,660 AUD
Retailer 5$5,215 AUD

40 data points across 10 retailers

19 retailers$2,160 AUD to $6,224 AUD

A
Cheapest Retailer
-
$2,160 AUD
A
Retailer 2
-
$2,176 AUD
View
B+
Retailer 3
-
$2,610 AUD
View
B+
Retailer 4
-
$2,690 AUD
View
B+
Retailer 5
-
$2,838 AUD
View
B+
Retailer 6
-
$2,977 AUD
View
Retailer 7
-
$2,977 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,014 AUD
View
B+
Retailer 9
-
$3,018 AUD
View
Retailer 10
-
$3,077 AUD
View
Price last confirmed 109 days ago
B+
Retailer 11
-
$3,114 AUD
View
B+
Retailer 12
-
$3,174 AUD
View
B+
Retailer 13
-
$3,214 AUD
View
B
Retailer 14
-
$3,436 AUD
View
B+
Retailer 15
-
$3,633 AUD
View
B+
Retailer 16
-
$3,660 AUD
View
B
Retailer 17
-
$4,527 AUD
View
B
Retailer 18
-
$5,215 AUD
View
Most Expensive
B
NZ Jewellers
76b7396f-8749-4db6-ab71-bf60b74db0de · Nov 5
$6,224 AUD
$4,357 USD
View
18 more retailers have this diamond
Prices start from $2,160 AUDSave up to $4,064 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.

A
1.02ct Round
$2,160 AUD