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Round|Natural|GIA

1.60ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1557994945

Certificate GIA 1557994945

Diamond specifications and retailer prices

From HK$45,678 HKD
$5,822 USD
As of November 2, 2026
Save HK$37,102 HKD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$82,780 HKD 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 1557994945. Listed at 14 retailers as of October 30, 2026, with prices from HK$45,678 to HK$82,780, a HK$37,102 spread on the same certified stone. NZ Jewellers lists it at HK$82,780. 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 angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1557994945
Dimensions7.44 × 7.48 × 4.68 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.44 mm7.48 mm1.60 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1557994945
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 2
Current: HK$82,780 HKD|Low: HK$41,873 HKD|High: HK$82,780 HKD|Avg: HK$55,046 HKD
NZ Jewellers
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 2, 2026
Retailer 5HK$45,678 HKD
Retailer 6HK$46,772 HKD
Retailer 3HK$47,231 HKD
Retailer 4HK$48,927 HKD
Retailer 10HK$49,491 HKD
Retailer 12HK$49,491 HKD
Retailer 13HK$49,491 HKD
Retailer 2HK$50,903 HKD
Retailer 7HK$53,852 HKD
Retailer 11HK$57,109 HKD
Retailer 9HK$60,811 HKD
Retailer 8HK$72,917 HKD
NZ JewellersHK$82,780 HKD

30 data points across 13 retailers

14 retailersHK$45,678 HKD to HK$82,780 HKD

A
Cheapest Retailer
-
HK$45,678 HKD
$5,822 USD
Final sale: no returns
A
Retailer 2
-
HK$46,772 HKD
£4,694 GBP
View
B+
Retailer 3
-
HK$47,231 HKD
$6,020 USD
View
Retailer 4
-
HK$48,927 HKD
A$9,594 AUD
View
Price last confirmed 22 days ago
B+
Retailer 5
-
HK$49,491 HKD
$6,308 USD
View
B+
Retailer 6
-
HK$49,491 HKD
$6,308 USD
View
B+
Retailer 7
-
HK$49,491 HKD
$6,308 USD
View
B+
Retailer 8
-
HK$50,903 HKD
£5,109 GBP
View
B+
Retailer 9
-
HK$51,389 HKD
$6,550 USD
View
B+
Retailer 10
-
HK$53,852 HKD
€6,537 EUR
View
B+
Retailer 11
-
HK$57,109 HKD
$7,279 USD
View
B+
Retailer 12
-
HK$60,811 HKD
ZAR 125,215 ZAR
View
B
Retailer 13
-
HK$72,917 HKD
£7,318 GBP
View
Most Expensive
B
NZ Jewellers
a88faf37-89a2-4091-8991-4ed7a9662110 · Oct 30
HK$82,780 HKD
$10,551 USD
View
13 more retailers have this diamond
Prices start from HK$45,678 HKDSave up to HK$37,102 HKD

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
HK$45,678 HKD