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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 $2,120 USD
As of November 5, 2026
Save $2,017 USD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,137 USD 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 $2,120 to $4,137, a $2,017 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,137. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,700 USD|Low: $2,109 USD|High: $4,682 USD|Avg: $3,090 USD|-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$2,120 USD
Retailer 8$2,480 USD
Retailer 10$2,520 USD
Retailer 9$2,555 USD
Retailer 6$2,613 USD
Retailer 1$2,700 USD
Retailer 4$2,825 USD
Retailer 5$2,952 USD
Retailer 7$3,130 USD
Retailer 2$3,402 USD
Wholesale Diamonds Direct$4,137 USD

16 data points across 11 retailers

11 retailers$2,120 USD to $4,137 USD

A
Cheapest Retailer
-
$2,120 USD
A
Retailer 2
-
$2,480 USD
View
A
Retailer 3
-
$2,520 USD
View
A
Retailer 4
-
$2,555 USD
View
A
Retailer 5
-
$2,613 USD
View
A
Retailer 6
-
$2,700 USD
View
A
Retailer 7
-
$2,825 USD
View
A
Retailer 8
-
$2,952 USD
View
A
Retailer 9
-
$3,130 USD
View
Retailer 10
-
$3,402 USD
View
Price last confirmed 13 days ago
Most Expensive
B+
Wholesale Diamonds Direct
578203862 · Nov 4
$4,137 USD
View
10 more retailers have this diamond
Prices start from $2,120 USDSave up to $2,017 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
1.60ct Round
$2,120 USD