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 $4,201 SGD
As of November 4, 2026
Save $4,800 SGD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,224 SGD 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
Colour
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: $7,459 SGD|Low: $4,153 SGD|High: $9,458 SGD|Avg: $5,917 SGD|-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$4,201 SGD
Retailer 2$4,290 SGD
Retailer 10$4,505 SGD
Retailer 6$4,592 SGD
Retailer 11$4,809 SGD
Retailer 3$5,024 SGD
Retailer 4$5,689 SGD
Retailer 5$6,369 SGD
Retailer 9$6,392 SGD
Retailer 1$7,459 SGD
Retailer 7$9,001 SGD

33 data points across 11 retailers

18 retailers$4,201 SGD to $9,001 SGD

A
Cheapest Retailer
-
$4,201 SGD
Retailer 2
-
$4,290 SGD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$4,505 SGD
View
A
Retailer 4
-
$4,592 SGD
View
A
Retailer 5
-
$4,809 SGD
View
Retailer 6
-
$5,024 SGD
View
Price last confirmed 11 days ago
Retailer 7
-
$5,429 SGD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$5,689 SGD
View
B+
Retailer 9
-
$5,753 SGD
View
Retailer 10
-
$5,868 SGD
View
Price last confirmed 11 days ago
Retailer 11
-
$5,868 SGD
View
Price last confirmed 12 days ago
Retailer 12
-
$6,058 SGD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$6,369 SGD
View
Retailer 14
-
$6,771 SGD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$7,459 SGD
View
B
Retailer 16
-
$9,001 SGD
View
Retailer 17
-
$9,259 SGD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
b5159fbc-a22c-4871-b32c-de5755bea53c · Oct 23
$10,224 SGD
$8,004 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from $4,201 SGDSave up to $4,800 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
$4,201 SGD