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Round|Natural|GIA

1.00ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2239108432

Certificate GIA 2239108432

Diamond specifications and retailer prices

From $2,962 NZD
As of November 6, 2026
Save $4,734 NZD (62%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,696 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2239108432. Listed at 20 retailers as of November 5, 2026, with prices from $2,962 to $7,696, a $4,734 spread on the same certified stone. NZ Jewellers lists it at $7,696. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2239108432
Dimensions6.39 × 6.33 × 4.02 mm
L/W Ratio1.01
Top View
6.39 mm6.33 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2239108432
Side View
Table 55.0%Crown 35°Girdle: MED-STKPavilion 41.2°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: $4,303 NZD|Low: $2,962 NZD|High: $6,527 NZD|Avg: $4,096 NZD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2$2,962 NZD
Retailer 10$3,038 NZD
Retailer 8$3,086 NZD
Retailer 3$3,424 NZD
Retailer 11$3,488 NZD
Retailer 9$3,842 NZD
Retailer 6$3,974 NZD
Retailer 1$4,303 NZD
Retailer 5$4,492 NZD
Retailer 4$4,664 NZD
Retailer 7$6,431 NZD

41 data points across 11 retailers

20 retailers$2,962 NZD to $7,696 NZD

A
Cheapest Retailer
-
$2,962 NZD
A
Retailer 2
-
$3,003 NZD
View
A
Retailer 3
-
$3,038 NZD
View
A
Retailer 4
-
$3,086 NZD
View
B+
Retailer 5
-
$3,133 NZD
View
B+
Retailer 6
-
$3,216 NZD
View
Retailer 7
-
$3,335 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,335 NZD
View
B+
Retailer 9
-
$3,424 NZD
View
B+
Retailer 10
-
$3,488 NZD
View
B+
Retailer 11
-
$3,842 NZD
View
Retailer 12
-
$3,842 NZD
View
Price last confirmed 28 days ago
Retailer 13
-
$3,842 NZD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$3,848 NZD
View
B+
Retailer 15
-
$3,974 NZD
View
B
Retailer 16
-
$4,303 NZD
View
B+
Retailer 17
-
$4,492 NZD
View
B+
Retailer 18
-
$4,664 NZD
View
B
Retailer 19
-
$6,431 NZD
View
Most Expensive
B
NZ Jewellers
968c877d-6101-4c10-8795-2a9be30a4d4a · Nov 5
$7,696 NZD
$4,326 USD
View
19 more retailers have this diamond
Prices start from $2,962 NZDSave up to $4,734 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
$2,962 NZD