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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 $2,708 SGD
As of November 5, 2026
Save $2,576 SGD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,284 SGD 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 $2,708 to $5,284, a $2,576 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,284. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,449 SGD|Low: $2,694 SGD|High: $5,980 SGD|Avg: $3,946 SGD|-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$2,708 SGD
Retailer 8$3,168 SGD
Retailer 10$3,219 SGD
Retailer 9$3,264 SGD
Retailer 6$3,338 SGD
Retailer 1$3,449 SGD
Retailer 4$3,608 SGD
Retailer 5$3,771 SGD
Retailer 7$3,998 SGD
Retailer 2$4,345 SGD
Wholesale Diamonds Direct$5,284 SGD

16 data points across 11 retailers

11 retailers$2,708 SGD to $5,284 SGD

A
Cheapest Retailer
-
$2,708 SGD
A
Retailer 2
-
$3,168 SGD
View
A
Retailer 3
-
$3,219 SGD
View
A
Retailer 4
-
$3,264 SGD
View
A
Retailer 5
-
$3,338 SGD
View
A
Retailer 6
-
$3,449 SGD
View
A
Retailer 7
-
$3,608 SGD
View
A
Retailer 8
-
$3,771 SGD
View
A
Retailer 9
-
$3,998 SGD
View
Retailer 10
-
$4,345 SGD
View
Price last confirmed 13 days ago
Most Expensive
B+
Wholesale Diamonds Direct
578203862 · Nov 4
$5,284 SGD
$4,137 USD
View
10 more retailers have this diamond
Prices start from $2,708 SGDSave up to $2,576 SGD

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
$2,708 SGD