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Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 5566477482

Certificate GIA 5566477482

Diamond specifications and retailer prices

From HK$29,927 HKD
As of October 30, 2026
Save HK$37,491 HKD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$67,418 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5566477482. Listed at 19 retailers as of October 30, 2026, with prices from HK$29,927 to HK$67,418, a HK$37,491 spread on the same certified stone. NZ Jewellers lists it at HK$67,418. 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

1.70
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5566477482
Dimensions7.56 × 7.61 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cavity, Crystal, Indented Natural, Needle, Natural
Top View
7.56 mm7.61 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5566477482
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.9%

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: Oct 30
Current: HK$67,418 HKD|Low: HK$32,038 HKD|High: HK$67,418 HKD|Avg: HK$43,682 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
October 31, 2026
Retailer 6HK$32,232 HKD
Retailer 4HK$35,346 HKD
Retailer 3HK$35,816 HKD
Retailer 5HK$37,204 HKD
Retailer 8HK$39,977 HKD
Retailer 9HK$40,311 HKD
Retailer 10HK$40,311 HKD
Retailer 13HK$40,311 HKD
Retailer 11HK$45,416 HKD
Retailer 2HK$46,509 HKD
Retailer 7HK$52,315 HKD
Retailer 12HK$64,288 HKD
NZ JewellersHK$67,418 HKD

27 data points across 13 retailers

19 retailersHK$29,927 HKD to HK$67,418 HKD

A
Cheapest Retailer
-
HK$29,927 HKD
A
Retailer 2
-
HK$32,232 HKD
₹391,259 INR
View
A
Retailer 3
-
HK$35,346 HKD
SGD 6,088 SGD
View
B+
Retailer 4
-
HK$35,729 HKD
$4,554 USD
View
B+
Retailer 5
-
HK$35,816 HKD
$4,565 USD
View
B+
Retailer 6
-
HK$36,749 HKD
$4,684 USD
View
B+
Retailer 7
-
HK$37,204 HKD
$4,742 USD
View
Final sale: no returns
B+
Retailer 8
-
HK$38,423 HKD
SGD 6,618 SGD
View
B+
Retailer 9
-
HK$39,977 HKD
£4,012 GBP
View
B+
Retailer 10
-
HK$40,013 HKD
$5,100 USD
View
B+
Retailer 11
-
HK$40,311 HKD
$5,138 USD
View
B+
Retailer 12
-
HK$40,311 HKD
$5,138 USD
View
B+
Retailer 13
-
HK$40,311 HKD
$5,138 USD
View
B+
Retailer 14
-
HK$41,503 HKD
$5,290 USD
View
B+
Retailer 15
-
HK$45,416 HKD
€5,513 EUR
View
Retailer 16
-
HK$46,509 HKD
$5,928 USD
View
B
Retailer 17
-
HK$52,315 HKD
£5,250 GBP
View
B
Retailer 18
-
HK$64,288 HKD
£6,452 GBP
View
Most Expensive
B
NZ Jewellers
29735261-aee0-4d31-a3c8-ddebd49fc9a1 · Oct 30
HK$67,418 HKD
$8,593 USD
View
18 more retailers have this diamond
Prices start from HK$29,927 HKDSave up to HK$37,491 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
1.70ct Round
HK$29,927 HKD