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Round|Natural|GIA

1.40ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2516009731

Certificate GIA 2516009731

Diamond specifications and retailer prices

From $6,214 NZD
As of November 1, 2026
Save $7,641 NZD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $13,856 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.4ct natural round diamond

This 1.4ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2516009731. Listed at 14 retailers as of November 1, 2026, with prices from $6,214 to $13,856, a $7,641 spread on the same certified stone. NZ Jewellers lists it at $13,856. 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

1.40
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2516009731
Dimensions7.21 × 7.15 × 4.40 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.21 mm7.15 mm1.40 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516009731
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.3%

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 1
Current: $13,856 NZD|Low: $6,214 NZD|High: $13,856 NZD|Avg: $9,342 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$6,214 NZD
Retailer 9$6,873 NZD
Retailer 8$7,205 NZD
Retailer 2$7,917 NZD
Retailer 3$8,006 NZD
Retailer 5$8,929 NZD
Retailer 4$9,703 NZD
Retailer 6$12,631 NZD
NZ Jewellers$13,856 NZD

43 data points across 9 retailers

14 retailers$6,214 NZD to $13,856 NZD

B+
Cheapest Retailer
-
$6,214 NZD
B+
Retailer 2
-
$6,339 NZD
View
B
Retailer 3
-
$6,766 NZD
View
B
Retailer 4
-
$6,873 NZD
View
Retailer 5
-
$7,205 NZD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$7,205 NZD
View
B+
Retailer 7
-
$7,205 NZD
View
B
Retailer 8
-
$7,917 NZD
View
B
Retailer 9
-
$8,006 NZD
View
B
Retailer 10
-
$8,312 NZD
View
B
Retailer 11
-
$8,929 NZD
View
B
Retailer 12
-
$9,703 NZD
View
B
Retailer 13
-
$12,631 NZD
View
Most Expensive
B
NZ Jewellers
521a662e-9b5b-4efb-977f-dac68c92a4a0 · Nov 5
$13,856 NZD
$7,681 USD
View
13 more retailers have this diamond
Prices start from $6,214 NZDSave up to $7,641 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.

B+
1.40ct Round
$6,214 NZD