CaratHunter
Plans
Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 1289093164

Certificate GIA 1289093164

Diamond specifications and retailer prices

From $1,574 USD
As of November 4, 2026
Save $3,160 USD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,734 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1289093164. Listed at 16 retailers as of November 4, 2026, with prices from $1,574 to $4,734, a $3,160 spread on the same certified stone. NZ Jewellers lists it at $4,734. 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

1.00
Carat
K
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1289093164
Dimensions6.44 × 6.35 × 3.83 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.44 mm6.35 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1289093164
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 59.9%

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 4
Current: $4,734 USD|Low: $1,574 USD|High: $4,734 USD|Avg: $2,246 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
November 6, 2026
Retailer 11$1,574 USD
Retailer 4$1,602 USD
Retailer 9$1,630 USD
Retailer 5$1,758 USD
Retailer 13$1,758 USD
Retailer 10$1,839 USD
Retailer 3$1,922 USD
Retailer 12$2,029 USD
Retailer 2$2,095 USD
Retailer 6$2,286 USD
Retailer 7$2,458 USD
Retailer 8$3,390 USD
NZ Jewellers$4,734 USD

40 data points across 13 retailers

16 retailers$1,574 USD to $4,734 USD

B+
Cheapest Retailer
-
$1,574 USD
B+
Retailer 2
-
$1,582 USD
View
B+
Retailer 3
-
$1,602 USD
View
B+
Retailer 4
-
$1,630 USD
View
B+
Retailer 5
-
$1,650 USD
View
B+
Retailer 6
-
$1,758 USD
View
Retailer 7
-
$1,758 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,839 USD
View
B+
Retailer 9
-
$1,922 USD
View
B
Retailer 10
-
$2,029 USD
View
B
Retailer 11
-
$2,095 USD
View
B
Retailer 12
-
$2,286 USD
View
B
Retailer 13
-
$2,458 USD
View
B
Retailer 14
-
$2,783 USD
View
B
Retailer 15
-
$3,390 USD
View
Most Expensive
C
NZ Jewellers
f59eef37-bd43-4665-92ea-38679c8c9751 · Nov 5
$4,734 USD
View
15 more retailers have this diamond
Prices start from $1,574 USDSave up to $3,160 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
$1,574 USD