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Round|Natural|GIA

1.00ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2476948330

Certificate GIA 2476948330

Diamond specifications and retailer prices

From $1,770 USD
As of November 6, 2026
Save $2,751 USD (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,521 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 2476948330. Listed at 18 retailers as of November 5, 2026, with prices from $1,770 to $4,521, a $2,751 spread on the same certified stone. NZ Jewellers lists it at $4,521. 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

1.00
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2476948330
Dimensions6.52 × 6.50 × 3.93 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Top View
6.52 mm6.50 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2476948330
Side View
Table 57.0%Crown 32°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.4%

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: $4,521 USD|Low: $1,770 USD|High: $4,521 USD|Avg: $2,368 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 3$1,770 USD
Retailer 15$1,810 USD
Retailer 8$1,885 USD
Retailer 7$1,959 USD
Retailer 9$1,959 USD
Retailer 19$2,000 USD
Retailer 11$2,021 USD
Retailer 16$2,044 USD
Retailer 5$2,050 USD
Retailer 4$2,106 USD
Retailer 17$2,116 USD
Retailer 6$2,155 USD
Retailer 10$2,261 USD
Retailer 18$2,267 USD
Retailer 2$2,336 USD
Retailer 13$2,639 USD
Retailer 12$2,780 USD
Retailer 14$3,778 USD
NZ Jewellers$4,521 USD

45 data points across 19 retailers

18 retailers$1,770 USD to $4,521 USD

B+
Cheapest Retailer
-
$1,770 USD
B+
Retailer 2
-
$1,810 USD
View
B+
Retailer 3
-
$1,885 USD
View
Retailer 4
-
$1,959 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,959 USD
View
B+
Retailer 6
-
$2,000 USD
View
B+
Retailer 7
-
$2,021 USD
View
B+
Retailer 8
-
$2,044 USD
View
B+
Retailer 9
-
$2,050 USD
View
B+
Retailer 10
-
$2,116 USD
View
B+
Retailer 11
-
$2,155 USD
View
B
Retailer 12
-
$2,261 USD
View
B
Retailer 13
-
$2,267 USD
View
B
Retailer 14
-
$2,336 USD
View
B
Retailer 15
-
$2,639 USD
View
B
Retailer 16
-
$2,780 USD
View
B
Retailer 17
-
$3,778 USD
View
Most Expensive
B
NZ Jewellers
c8851792-1fd6-4299-812c-c4ac04bcafa4 · Nov 5
$4,521 USD
View
17 more retailers have this diamond
Prices start from $1,770 USDSave up to $2,751 USD

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+
1.00ct Round
$1,770 USD