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Round|Natural|GIA

0.40ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6492539118

Certificate GIA 6492539118

Diamond specifications and retailer prices

From €217 EUR
As of November 6, 2026
Save €902 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,118 EUR at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.4ct natural round diamond

This 0.4ct natural round sits in the sub-half-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6492539118. Listed at 14 retailers as of November 4, 2026, with prices from €217 to €1,118, a €902 spread on the same certified stone. NZ Jewellers lists it at €1,118. 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

0.40
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6492539118
Dimensions4.71 × 4.73 × 2.89 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
4.71 mm4.73 mm0.40 ctL / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6492539118
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.3%

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: €496 EUR|Low: €258 EUR|High: €506 EUR|Avg: €356 EUR|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7€260 EUR
Retailer 6€275 EUR
Retailer 5€285 EUR
Retailer 3€306 EUR
Retailer 4€384 EUR
Retailer 2€417 EUR
Retailer 8€428 EUR
Retailer 1€496 EUR

44 data points across 8 retailers

14 retailers€217 EUR to €1,118 EUR

A
Cheapest Retailer
-
€217 EUR
B+
Retailer 2
-
€247 EUR
View
Retailer 3
-
€266 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€275 EUR
View
B+
Retailer 5
-
€285 EUR
View
B+
Retailer 6
-
€306 EUR
View
B+
Retailer 7
-
€332 EUR
View
B+
Retailer 8
-
€333 EUR
View
B+
Retailer 9
-
€384 EUR
View
B
Retailer 10
-
€417 EUR
View
B
Retailer 11
-
€428 EUR
View
B
Retailer 12
-
€450 EUR
View
B
Retailer 13
-
€496 EUR
View
Most Expensive
C
NZ Jewellers
7df04fd7-c2ff-4f23-bf40-c0b1edd1ff7b · Nov 4
€1,118 EUR
$1,255 USD
View
13 more retailers have this diamond
Prices start from €217 EURSave up to €902 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.

A
0.40ct Round
€217 EUR