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Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2377826972

Certificate GIA 2377826972

Diamond specifications and retailer prices

From $2,643 NZD
As of November 6, 2026
Save $5,013 NZD (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,656 NZD 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 top-tier cut grade and certified by GIA 2377826972. Listed at 17 retailers as of November 5, 2026, with prices from $2,643 to $7,656, a $5,013 spread on the same certified stone. NZ Jewellers lists it at $7,656. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2377826972
Dimensions6.38 × 6.35 × 4.02 mm
L/W Ratio1.00
Top View
6.38 mm6.35 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2377826972
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.2%

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: Nov 6
Current: $2,643 NZD|Low: $2,643 NZD|High: $6,491 NZD|Avg: $4,143 NZD|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$2,643 NZD
Retailer 7$2,663 NZD
Retailer 2$3,552 NZD
Retailer 3$3,718 NZD
Retailer 4$3,954 NZD
Retailer 6$4,515 NZD
Retailer 5$6,397 NZD

31 data points across 7 retailers

17 retailers$2,643 NZD to $7,656 NZD

A
Cheapest Retailer
-
$2,643 NZD
A
Retailer 2
-
$2,663 NZD
View
B+
Retailer 3
-
$3,211 NZD
View
Retailer 4
-
$3,268 NZD
View
Price last confirmed 82 days ago
B+
Retailer 5
-
$3,355 NZD
View
B+
Retailer 6
-
$3,552 NZD
View
B+
Retailer 7
-
$3,663 NZD
View
B+
Retailer 8
-
$3,718 NZD
View
B+
Retailer 9
-
$3,832 NZD
View
B
Retailer 10
-
$3,908 NZD
View
B+
Retailer 11
-
$3,954 NZD
View
B
Retailer 12
-
$3,999 NZD
View
B
Retailer 13
-
$4,225 NZD
View
B+
Retailer 14
-
$4,515 NZD
View
B
Retailer 15
-
$5,050 NZD
View
B
Retailer 16
-
$6,397 NZD
View
Most Expensive
C
NZ Jewellers
63169afc-01db-4f88-96d9-9f46409f14aa · Nov 5
$7,656 NZD
$4,304 USD
View
16 more retailers have this diamond
Prices start from $2,643 NZDSave up to $5,013 NZD

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
1.00ct Round
$2,643 NZD