Round|Natural|GIA

1.40ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2537732539

Certificate GIA 2537732539

Diamond specifications and retailer prices

From €3,045 EUR
As of November 5, 2026
Save €2,232 EUR (42%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €5,608 EUR at NZ Jewellers · As of September 12, 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 2537732539. Listed at 14 retailers as of November 4, 2026, with a 73% 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2537732539
Dimensions7.11 × 7.06 × 4.42 mm
L/W Ratio1.01
Star length50%
Top View
7.11 mm7.06 mm1.40 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537732539
Side View
Table 59.0%Crown 36°GirdlePavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €3,254 EUR|Low: €3,045 EUR|High: €5,382 EUR|Avg: €3,729 EUR|+0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6€3,045 EUR
Retailer 7€3,219 EUR
Retailer 1€3,254 EUR
Retailer 2€3,668 EUR
Retailer 4€3,676 EUR
Retailer 3€3,862 EUR
Retailer 5€5,277 EUR

42 data points across 7 retailers

14 retailers€3,045 EUR to €5,277 EUR

B+
Cheapest Retailer
-
€3,045 EUR
Retailer 2
-
€3,164 EUR
View
Price last confirmed 29 days ago
Retailer 3
-
€3,164 EUR
View
Price last confirmed 29 days ago
Retailer 4
-
€3,219 EUR
View
Price last confirmed 55 days ago
B+
Retailer 5
-
€3,254 EUR
View
Retailer 6
-
€3,286 EUR
View
Price last confirmed 38 days ago
Retailer 7
-
€3,651 EUR
View
Price last confirmed 38 days ago
B+
Retailer 8
-
€3,668 EUR
View
B+
Retailer 9
-
€3,676 EUR
View
Retailer 10
-
€3,713 EUR
View
Price last confirmed 56 days ago
B
Retailer 11
-
€3,862 EUR
View
B
Retailer 12
-
€5,277 EUR
View
Retailer 13
-
€5,513 EUR
View
Price last confirmed 41 days ago
Most Expensive
NZ Jewellers
1f564d4d-8326-4a62-ae83-982157bd16b6 · Sep 12
€5,608 EUR
$6,261 USD
View
Price last confirmed 54 days ago
13 more retailers have this diamond
Prices start from €3,045 EURSave up to €2,232 EUR

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
€3,045 EUR