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Round|Natural|GIA

5.20ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6552789514

Certificate GIA 6552789514

Diamond specifications and retailer prices

From $64,337 USD
£50,659 GBP
As of October 30, 2026
Save $3,141 USD (5%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $67,478 USD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 5.2ct natural round diamond

This 5.2ct natural round sits in the over five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552789514. Listed at 2 retailers as of October 29, 2026, with a relatively tight 5% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

5.20
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552789514
Dimensions10.94 × 11.02 × 6.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural
Top View
10.94 mm11.02 mm5.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6552789514
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $67,478 USD|Low: $64,142 USD|High: $69,107 USD|Avg: $66,984 USD|-2.4%
Blue Nile
Retailer 2
October 30, 2026
Retailer 2$64,337 USD
Blue Nile$67,478 USD

36 data points across 2 retailers

2 retailers$64,337 USD to $67,478 USD

A
Cheapest Retailer
-
$64,337 USD
£50,659 GBP
Most Expensive
A
Blue Nile
30147859 · Oct 29
$67,478 USD
View
1 more retailer has this diamond
Prices start from $64,337 USDSave up to $3,141 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.

A
5.20ct Round
$64,337 USD