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Round|Natural|GIA

1.02ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2231967920

Certificate GIA 2231967920

Diamond specifications and retailer prices

From $1,840 AUD
As of November 5, 2026
Save $2,108 AUD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,907 AUD at NZ Jewellers · As of September 10, 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 very-good cut grade and certified by GIA 2231967920. Listed at 15 retailers as of November 4, 2026, with a 115% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceStrong
Crown angle36°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 2231967920
Dimensions6.35 × 6.38 × 4.02 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.35 mm6.38 mm1.02 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceStrong
CertificateGIA 2231967920
Side View
Table 56.0%Crown 36°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.2%

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 5
Current: $2,493 AUD|Low: $1,840 AUD|High: $4,007 AUD|Avg: $2,536 AUD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$1,840 AUD
Retailer 10$1,897 AUD
Retailer 7$2,047 AUD
Retailer 8$2,186 AUD
Retailer 9$2,266 AUD
Retailer 1$2,493 AUD
Retailer 4$2,757 AUD
Retailer 2$2,857 AUD
Retailer 3$2,914 AUD
Retailer 5$3,948 AUD

37 data points across 10 retailers

15 retailers$1,840 AUD to $3,948 AUD

B+
Cheapest Retailer
-
$1,840 AUD
B+
Retailer 2
-
$1,897 AUD
View
Retailer 3
-
$2,047 AUD
View
Price last confirmed 45 days ago
B+
Retailer 4
-
$2,186 AUD
View
Retailer 5
-
$2,194 AUD
View
Price last confirmed 56 days ago
B+
Retailer 6
-
$2,266 AUD
View
Retailer 7
-
$2,363 AUD
View
Price last confirmed 45 days ago
B+
Retailer 8
-
$2,493 AUD
View
Retailer 9
-
$2,531 AUD
View
Price last confirmed 60 days ago
B+
Retailer 10
-
$2,757 AUD
View
B+
Retailer 11
-
$2,914 AUD
View
B
Retailer 12
-
$3,948 AUD
View
Retailer 13
-
$5,513 AUD
View
Price last confirmed 34 days ago
Retailer 14
-
$5,513 AUD
View
Price last confirmed 42 days ago
Most Expensive
NZ Jewellers
04be64df-1f41-4967-acf0-c9f26f9c63e9 · Sep 10
$5,907 AUD
$4,135 USD
View
Price last confirmed 56 days ago
14 more retailers have this diamond
Prices start from $1,840 AUDSave up to $2,108 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
$1,840 AUD