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5.40ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 5201701666

Certificate GIA 5201701666

Diamond specifications and retailer prices

From €55,725 EUR
As of November 6, 2026
Save €20,065 EUR (26%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €75,790 EUR at Cape Diamonds · As of November 1, 2026
View at Cape Diamonds

About this 5.4ct natural round diamond

This 5.4ct natural round sits in the over five carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5201701666. Listed at 5 retailers as of November 1, 2026, with prices from €55,725 to €75,790, a €20,065 spread on the same certified stone. Cape Diamonds lists it at €75,790. 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

5.40
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5201701666
Dimensions11.07 × 11.16 × 6.97 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
11.07 mm11.16 mm5.40 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5201701666
Side View
Table 59.0%Crown 36°Girdle: Sli. ThickPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
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Price History

Last verified: Nov 6
Current: €75,790 EUR|Low: €55,173 EUR|High: €77,516 EUR|Avg: €63,396 EUR|+2.1%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 3€55,725 EUR
Retailer 5€56,765 EUR
Retailer 2€61,666 EUR
Retailer 4€64,883 EUR
Cape Diamonds€75,790 EUR

40 data points across 5 retailers

5 retailers€55,725 EUR to €75,790 EUR

B
Cheapest Retailer
-
€55,725 EUR
B
Retailer 2
-
€60,576 EUR
View
B
Retailer 3
-
€61,666 EUR
View
B
Retailer 4
-
€64,883 EUR
View
Most Expensive
C
Cape Diamonds
cert_5201701666 · Nov 1
€75,790 EUR
ZAR 1,374,260 ZAR
View
4 more retailers have this diamond
Prices start from €55,725 EURSave up to €20,065 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
5.40ct Round
€55,725 EUR