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Round|Natural|GIA

1.60ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5563648370

Certificate GIA 5563648370

Diamond specifications and retailer prices

From $3,771 NZD
As of November 5, 2026
Save $3,588 NZD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,359 NZD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.6ct natural round diamond

This 1.6ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5563648370. Listed at 11 retailers as of November 4, 2026, with prices from $3,771 to $7,359, a $3,588 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,359. 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

1.60
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5563648370
Dimensions7.49 × 7.53 × 4.65 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.49 mm7.53 mm1.60 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5563648370
Side View
Table 57.0%Crown 34°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 61.9%

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 5
Current: $4,803 NZD|Low: $3,752 NZD|High: $8,328 NZD|Avg: $5,496 NZD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 5, 2026
Retailer 3$3,771 NZD
Retailer 8$4,412 NZD
Retailer 10$4,483 NZD
Retailer 9$4,545 NZD
Retailer 6$4,648 NZD
Retailer 1$4,803 NZD
Retailer 4$5,025 NZD
Retailer 5$5,251 NZD
Retailer 7$5,568 NZD
Retailer 2$6,052 NZD
Wholesale Diamonds Direct$7,359 NZD

16 data points across 11 retailers

11 retailers$3,771 NZD to $7,359 NZD

A
Cheapest Retailer
-
$3,771 NZD
A
Retailer 2
-
$4,412 NZD
View
A
Retailer 3
-
$4,483 NZD
View
A
Retailer 4
-
$4,545 NZD
View
A
Retailer 5
-
$4,648 NZD
View
A
Retailer 6
-
$4,803 NZD
View
A
Retailer 7
-
$5,025 NZD
View
A
Retailer 8
-
$5,251 NZD
View
A
Retailer 9
-
$5,568 NZD
View
Retailer 10
-
$6,052 NZD
View
Price last confirmed 13 days ago
Most Expensive
B+
Wholesale Diamonds Direct
578203862 · Nov 4
$7,359 NZD
$4,137 USD
View
10 more retailers have this diamond
Prices start from $3,771 NZDSave up to $3,588 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
1.60ct Round
$3,771 NZD