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1.61ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6505424681

Certificate GIA 6505424681

Diamond specifications and retailer prices

From $15,513 NZD
$8,743 USD
As of October 30, 2026
Save $4,970 NZD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $20,483 NZD at 77 Diamonds · As of October 30, 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 30, 2026, with prices from $15,513 to $20,483, a $4,970 spread on the same certified stone. 77 Diamonds lists it at $20,483. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $20,483 NZD|Low: $15,364 NZD|High: $20,617 NZD|Avg: $17,983 NZD|+1.7%
77 Diamonds
Retailer 2
October 30, 2026
Retailer 2$15,566 NZD
77 Diamonds$20,483 NZD

36 data points across 2 retailers

4 retailers$15,513 NZD to $20,483 NZD

A
Cheapest Retailer
-
$15,513 NZD
$8,743 USD
B+
Retailer 2
-
$15,566 NZD
$8,773 USD
View
B+
Retailer 3
-
$16,755 NZD
$9,443 USD
View
Most Expensive
B+
77 Diamonds
RBZTMYDJJ8D · Oct 30
$20,483 NZD
£9,090 GBP
View
3 more retailers have this diamond
Prices start from $15,513 NZDSave up to $4,970 NZD

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
$15,513 NZD