Round|Natural|GIA

1.60ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6502549129

Shape and cutting style on the report: Round brilliant

Certificate GIA 6502549129

Diamond specifications and retailer prices

From $3,289 USD
As of November 4, 2026
Save $3,758 USD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,004 USD at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

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 6502549129. Listed at 18 retailers as of November 1, 2026, with a 114% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6502549129
Dimensions7.47 × 7.43 × 4.66 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.47 mm7.43 mm1.60 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6502549129
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

Caratlytics Score

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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 4
Current: $5,840 USD|Low: $3,251 USD|High: $7,405 USD|Avg: $4,633 USD|-5.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$3,289 USD
Retailer 2$3,359 USD
Retailer 10$3,527 USD
Retailer 6$3,595 USD
Retailer 11$3,765 USD
Retailer 3$3,933 USD
Retailer 4$4,454 USD
Retailer 5$4,986 USD
Retailer 9$5,004 USD
Retailer 1$5,840 USD
Retailer 7$7,047 USD

33 data points across 11 retailers

18 retailers$3,289 USD to $7,047 USD

A
Cheapest Retailer
-
$3,289 USD
Retailer 2
-
$3,359 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$3,527 USD
View
A
Retailer 4
-
$3,595 USD
View
A
Retailer 5
-
$3,765 USD
View
Retailer 6
-
$3,933 USD
View
Price last confirmed 11 days ago
Retailer 7
-
$4,250 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$4,454 USD
View
B+
Retailer 9
-
$4,504 USD
View
Retailer 10
-
$4,594 USD
View
Price last confirmed 11 days ago
Retailer 11
-
$4,594 USD
View
Price last confirmed 12 days ago
Retailer 12
-
$4,743 USD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$4,986 USD
View
Retailer 14
-
$5,301 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$5,840 USD
View
B
Retailer 16
-
$7,047 USD
View
Retailer 17
-
$7,249 USD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
b5159fbc-a22c-4871-b32c-de5755bea53c · Oct 23
$8,004 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from $3,289 USDSave up to $3,758 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
$3,289 USD