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1.60ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2547741234

Certificate GIA 2547741234

Diamond specifications and retailer prices

From $8,267 SGD
$6,467 USD
As of November 1, 2026
Save $9,233 SGD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $17,500 SGD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547741234. Listed at 18 retailers as of October 30, 2026, with prices from $8,267 to $17,500, a $9,233 spread on the same certified stone. NZ Jewellers lists it at $17,500. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2547741234
Dimensions7.45 × 7.41 × 4.66 mm
L/W Ratio1.01
Top View
7.45 mm7.41 mm1.60 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547741234
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $10,761 SGD|Low: $8,757 SGD|High: $14,758 SGD|Avg: $10,817 SGD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8$8,757 SGD
Retailer 2$9,479 SGD
Retailer 10$9,625 SGD
Retailer 5$9,724 SGD
Retailer 7$10,033 SGD
Retailer 9$10,134 SGD
Retailer 1$10,761 SGD
Retailer 3$11,383 SGD
Retailer 6$12,855 SGD
Retailer 4$14,583 SGD

40 data points across 10 retailers

18 retailers$8,267 SGD to $17,500 SGD

B+
Cheapest Retailer
-
$8,267 SGD
$6,467 USD
B+
Retailer 2
-
$8,751 SGD
$6,845 USD
View
B+
Retailer 3
-
$8,757 SGD
$6,850 USD
View
B+
Retailer 4
-
$9,318 SGD
$7,289 USD
View
B+
Retailer 5
-
$9,479 SGD
$7,415 USD
View
B+
Retailer 6
-
$9,625 SGD
$7,529 USD
View
B+
Retailer 7
-
$9,724 SGD
£5,989 GBP
View
B
Retailer 8
-
$10,033 SGD
$7,848 USD
View
Retailer 9
-
$10,134 SGD
A$12,195 AUD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
$10,761 SGD
£6,628 GBP
View
Retailer 11
-
$10,938 SGD
$8,556 USD
View
Price last confirmed 56 days ago
B+
Retailer 12
-
$10,938 SGD
$8,556 USD
View
B+
Retailer 13
-
$11,383 SGD
€8,480 EUR
View
Retailer 14
-
$11,526 SGD
$9,016 USD
View
Price last confirmed 20 days ago
B
Retailer 15
-
$12,855 SGD
ZAR 162,442 ZAR
View
B
Retailer 16
-
$14,583 SGD
£8,982 GBP
View
Retailer 17
-
$17,500 SGD
$13,689 USD
View
Price last confirmed 61 days ago
Most Expensive
B
NZ Jewellers
afaf7e6f-cb21-4f6e-9aff-798e8fcb11b2 · Oct 30
$17,500 SGD
$13,689 USD
View
17 more retailers have this diamond
Prices start from $8,267 SGDSave up to $9,233 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.

B+
1.60ct Round
$8,267 SGD