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Round|Natural|GIA

1.60ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5563221625

Certificate GIA 5563221625

Diamond specifications and retailer prices

From $6,398 SGD
HK$39,100 HKD
As of November 1, 2026
Save $7,995 SGD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $14,394 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5563221625. Listed at 19 retailers as of October 30, 2026, with prices from $6,398 to $14,394, a $7,995 spread on the same certified stone. NZ Jewellers lists it at $14,394. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5563221625
Dimensions7.39 × 7.43 × 4.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural
Top View
7.39 mm7.43 mm1.60 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5563221625
Side View
Table 57.0%Crown 35.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $9,363 SGD|Low: $6,398 SGD|High: $12,831 SGD|Avg: $9,028 SGD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 9$6,398 SGD
Retailer 10$7,185 SGD
Retailer 4$7,494 SGD
Retailer 11$7,944 SGD
Retailer 5$7,984 SGD
Retailer 7$8,199 SGD
Retailer 12$8,439 SGD
Retailer 3$8,738 SGD
Retailer 13$8,922 SGD
Retailer 1$9,363 SGD
Retailer 2$9,652 SGD
Retailer 8$10,573 SGD
Retailer 6$12,678 SGD

42 data points across 13 retailers

19 retailers$6,398 SGD to $14,394 SGD

A
Cheapest Retailer
-
$6,398 SGD
HK$39,100 HKD
A
Retailer 2
-
$7,185 SGD
$5,620 USD
View
Retailer 3
-
$7,288 SGD
View
Price last confirmed 18 days ago
B+
Retailer 4
-
$7,494 SGD
$5,862 USD
View
B+
Retailer 5
-
$7,505 SGD
$5,871 USD
View
B+
Retailer 6
-
$7,944 SGD
$6,214 USD
View
B+
Retailer 7
-
$7,944 SGD
$6,214 USD
View
Final sale: no returns
B+
Retailer 8
-
$7,984 SGD
$6,245 USD
View
B+
Retailer 9
-
$8,199 SGD
£5,050 GBP
View
Retailer 10
-
$8,439 SGD
A$10,156 AUD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
$8,606 SGD
$6,732 USD
View
B+
Retailer 12
-
$8,738 SGD
$6,835 USD
View
B+
Retailer 13
-
$8,922 SGD
$6,979 USD
View
B+
Retailer 14
-
$9,363 SGD
€6,975 EUR
View
Retailer 15
-
$9,652 SGD
£5,945 GBP
View
Price last confirmed 33 days ago
B
Retailer 16
-
$9,929 SGD
$7,767 USD
View
B+
Retailer 17
-
$10,573 SGD
ZAR 133,614 ZAR
View
B
Retailer 18
-
$12,678 SGD
£7,809 GBP
View
Most Expensive
B
NZ Jewellers
9ca6b0b3-01fb-47ce-8466-0ab880ee7667 · Oct 30
$14,394 SGD
$11,259 USD
View
18 more retailers have this diamond
Prices start from $6,398 SGDSave up to $7,995 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
$6,398 SGD