Round|Natural|GIA

1.40ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2546854720

Certificate GIA 2546854720

Diamond specifications and retailer prices

From $3,287 USD
As of November 6, 2026
Save $2,443 USD (43%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,985 USD at NZ Jewellers · As of September 28, 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 2546854720. Listed at 11 retailers as of November 4, 2026, with a 74% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2546854720
Dimensions7.07 × 7.10 × 4.45 mm
L/W Ratio1.00
Star length50%
Top View
7.07 mm7.10 mm1.40 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546854720
Side View
Table 58.0%Crown 36°GirdlePavilion 40.8°Culet: NoneDepth 62.8%

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 6
Current: $3,287 USD|Low: $3,285 USD|High: $5,814 USD|Avg: $4,019 USD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$3,287 USD
Retailer 6$3,305 USD
Retailer 2$3,533 USD
Retailer 4$3,996 USD
Retailer 3$4,193 USD
Retailer 5$5,730 USD

39 data points across 6 retailers

11 retailers$3,287 USD to $5,730 USD

B+
Cheapest Retailer
-
$3,287 USD
B+
Retailer 2
-
$3,305 USD
View
Retailer 3
-
$3,435 USD
View
Price last confirmed 29 days ago
Retailer 4
-
$3,435 USD
View
Price last confirmed 29 days ago
B+
Retailer 5
-
$3,533 USD
View
Retailer 6
-
$3,567 USD
View
Price last confirmed 38 days ago
Retailer 7
-
$3,964 USD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$3,996 USD
View
B
Retailer 9
-
$4,193 USD
View
B
Retailer 10
-
$5,730 USD
View
Most Expensive
NZ Jewellers
07d0b952-9abc-42a1-8a46-f01b8812d10e · Sep 28
$5,985 USD
View
Price last confirmed 39 days ago
10 more retailers have this diamond
Prices start from $3,287 USDSave up to $2,443 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
$3,287 USD