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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 $3,445 USD
As of November 1, 2026
Save $4,236 USD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,681 USD 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 $3,445 to $7,681, a $4,236 spread on the same certified stone. NZ Jewellers lists it at $7,681. 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
Color
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: $7,681 USD|Low: $3,445 USD|High: $7,681 USD|Avg: $5,179 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$3,445 USD
Retailer 9$3,810 USD
Retailer 8$3,994 USD
Retailer 2$4,389 USD
Retailer 3$4,438 USD
Retailer 5$4,950 USD
Retailer 4$5,379 USD
Retailer 6$7,002 USD
NZ Jewellers$7,681 USD

43 data points across 9 retailers

14 retailers$3,445 USD to $7,681 USD

B+
Cheapest Retailer
-
$3,445 USD
B+
Retailer 2
-
$3,514 USD
View
B
Retailer 3
-
$3,751 USD
View
B
Retailer 4
-
$3,810 USD
View
Retailer 5
-
$3,994 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,994 USD
View
B+
Retailer 7
-
$3,994 USD
View
B
Retailer 8
-
$4,389 USD
View
B
Retailer 9
-
$4,438 USD
View
B
Retailer 10
-
$4,608 USD
View
B
Retailer 11
-
$4,950 USD
View
B
Retailer 12
-
$5,379 USD
View
B
Retailer 13
-
$7,002 USD
View
Most Expensive
B
NZ Jewellers
521a662e-9b5b-4efb-977f-dac68c92a4a0 · Nov 5
$7,681 USD
View
13 more retailers have this diamond
Prices start from $3,445 USDSave up to $4,236 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+
1.40ct Round
$3,445 USD