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Round|Natural|GIA

1.60ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1528839139

Certificate GIA 1528839139

Diamond specifications and retailer prices

From HK$42,210 HKD
$5,380 USD
As of November 1, 2026
Save HK$52,339 HKD (55%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$94,549 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 1528839139. Listed at 25 retailers as of October 30, 2026, with prices from HK$42,210 to HK$94,549, a HK$52,339 spread on the same certified stone. NZ Jewellers lists it at HK$94,549. 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 angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1528839139
Dimensions7.40 × 7.46 × 4.67 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.40 mm7.46 mm1.60 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1528839139
Side View
Table 56.0%Crown 35.5°Girdle: Medium to Slightly ThickPavilion 40.8°Culet: NoneDepth 62.9%

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: HK$94,549 HKD|Low: HK$42,210 HKD|High: HK$94,549 HKD|Avg: HK$54,965 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 2, 2026
Retailer 3HK$42,210 HKD
Retailer 6HK$42,932 HKD
Retailer 7HK$43,418 HKD
Retailer 12HK$44,666 HKD
Retailer 23HK$44,711 HKD
Retailer 8HK$45,268 HKD
Retailer 14HK$47,270 HKD
Retailer 4HK$47,278 HKD
Retailer 25HK$47,584 HKD
Retailer 18HK$48,993 HKD
Retailer 15HK$50,150 HKD
Retailer 9HK$50,423 HKD
Retailer 10HK$51,217 HKD
Retailer 5HK$52,001 HKD
Retailer 16HK$52,017 HKD
Retailer 22HK$52,158 HKD
Retailer 2HK$53,850 HKD
Retailer 24HK$54,870 HKD
Retailer 17HK$55,932 HKD
Retailer 19HK$58,146 HKD
Retailer 11HK$59,094 HKD
Retailer 13HK$60,220 HKD
Retailer 21HK$69,458 HKD
Retailer 20HK$78,786 HKD
NZ JewellersHK$94,549 HKD

31 data points across 25 retailers

25 retailersHK$42,210 HKD to HK$94,549 HKD

A
Cheapest Retailer
-
HK$42,210 HKD
$5,380 USD
A
Retailer 2
-
HK$42,932 HKD
$5,472 USD
View
A
Retailer 3
-
HK$43,418 HKD
$5,534 USD
View
A
Retailer 4
-
HK$44,666 HKD
$5,693 USD
View
A
Retailer 5
-
HK$44,711 HKD
$5,699 USD
View
B+
Retailer 6
-
HK$45,268 HKD
$5,770 USD
View
B+
Retailer 7
-
HK$47,270 HKD
$6,025 USD
View
Final sale: no returns
B+
Retailer 8
-
HK$47,278 HKD
$6,026 USD
View
A
Retailer 9
-
HK$47,584 HKD
$6,065 USD
View
B+
Retailer 10
-
HK$48,993 HKD
CA$8,673 CAD
View
B+
Retailer 11
-
HK$50,150 HKD
$6,392 USD
View
B+
Retailer 12
-
HK$50,423 HKD
$6,427 USD
View
B+
Retailer 13
-
HK$51,217 HKD
$6,528 USD
View
B+
Retailer 14
-
HK$52,001 HKD
$6,628 USD
View
Retailer 15
-
HK$52,017 HKD
$6,630 USD
View
Price last confirmed 18 days ago
B+
Retailer 16
-
HK$52,158 HKD
$6,648 USD
View
B+
Retailer 17
-
HK$53,850 HKD
£5,404 GBP
View
Retailer 18
-
HK$54,870 HKD
A$10,759 AUD
View
Price last confirmed 11 days ago
B+
Retailer 19
-
HK$55,932 HKD
$7,129 USD
View
B+
Retailer 20
-
HK$58,146 HKD
£5,836 GBP
View
B
Retailer 21
-
HK$59,094 HKD
$7,532 USD
View
B+
Retailer 22
-
HK$60,220 HKD
€7,310 EUR
View
B
Retailer 23
-
HK$69,458 HKD
ZAR 143,021 ZAR
View
B
Retailer 24
-
HK$78,786 HKD
£7,907 GBP
View
Most Expensive
B
NZ Jewellers
2943a18f-7cc3-4352-af1e-c57bdbc3520e · Oct 30
HK$94,549 HKD
$12,051 USD
View
24 more retailers have this diamond
Prices start from HK$42,210 HKDSave up to HK$52,339 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$42,210 HKD