Round|Natural|GIA

1.61ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6505424681

Certificate GIA 6505424681

Diamond specifications and retailer prices

From $8,743 USD
As of October 27, 2026
Save $2,766 USD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $11,509 USD at 77 Diamonds · As of October 29, 2026
View at 77 Diamonds

About this 1.61ct natural round diamond

This 1.61ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505424681. Listed at 4 retailers as of October 27, 2026, with prices from $8,743 to $11,509, a $2,766 spread on the same certified stone. 77 Diamonds lists it at $11,509. 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

1.61
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6505424681
Dimensions7.46 × 7.40 × 4.65 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.46 mm7.40 mm1.61 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505424681
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

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

Last verified: Oct 27
Current: $11,509 USD|Low: $8,659 USD|High: $11,620 USD|Avg: $10,135 USD|+1.4%
77 Diamonds
Retailer 2
October 29, 2026
Retailer 2$8,773 USD
77 Diamonds$11,509 USD

35 data points across 2 retailers

4 retailers$8,743 USD to $11,509 USD

A
Cheapest Retailer
-
$8,743 USD
B+
Retailer 2
-
$8,773 USD
View
B+
Retailer 3
-
$9,443 USD
View
Most Expensive
B+
77 Diamonds
RBZTMYDJJ8D · Oct 29
$11,509 USD
£9,062 GBP
View
3 more retailers have this diamond
Prices start from $8,743 USDSave up to $2,766 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
1.61ct Round
$8,743 USD