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Round|Natural|GIA

1.70ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2558513002

Certificate GIA 2558513002

Diamond specifications and retailer prices

From HK$49,200 HKD
$6,271 USD
As of October 31, 2026
Save HK$63,048 HKD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$112,248 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2558513002. Listed at 16 retailers as of October 30, 2026, with prices from HK$49,200 to HK$112,248, a HK$63,048 spread on the same certified stone. NZ Jewellers lists it at HK$112,248. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2558513002
Dimensions7.55 × 7.59 × 4.76 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Indented Natural, Natural
Top View
7.55 mm7.59 mm1.70 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558513002
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.6°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: Oct 31
Current: HK$112,248 HKD|Low: HK$47,262 HKD|High: HK$117,058 HKD|Avg: HK$67,029 HKD|-4.1%
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
November 2, 2026
Retailer 5HK$49,200 HKD
Retailer 11HK$49,510 HKD
Retailer 4HK$52,550 HKD
Retailer 13HK$56,120 HKD
Retailer 7HK$56,128 HKD
Retailer 8HK$60,804 HKD
Retailer 15HK$61,738 HKD
Retailer 9HK$62,092 HKD
Retailer 12HK$67,002 HKD
Retailer 16HK$67,002 HKD
Retailer 2HK$67,065 HKD
Retailer 14HK$69,199 HKD
Retailer 3HK$70,156 HKD
Retailer 6HK$73,922 HKD
Retailer 10HK$93,532 HKD
NZ JewellersHK$112,248 HKD

42 data points across 16 retailers

16 retailersHK$49,200 HKD to HK$112,248 HKD

A
Cheapest Retailer
-
HK$49,200 HKD
$6,271 USD
A
Retailer 2
-
HK$49,510 HKD
View
B+
Retailer 3
-
HK$52,550 HKD
$6,698 USD
View
B+
Retailer 4
-
HK$56,120 HKD
$7,153 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$56,128 HKD
$7,154 USD
View
B+
Retailer 6
-
HK$60,804 HKD
$7,750 USD
View
B+
Retailer 7
-
HK$61,738 HKD
$7,869 USD
View
B+
Retailer 8
-
HK$62,092 HKD
£6,232 GBP
View
B
Retailer 9
-
HK$67,002 HKD
$8,540 USD
View
B
Retailer 10
-
HK$67,002 HKD
$8,540 USD
View
B+
Retailer 11
-
HK$67,065 HKD
€8,141 EUR
View
B+
Retailer 12
-
HK$69,199 HKD
$8,820 USD
View
B+
Retailer 13
-
HK$70,156 HKD
$8,942 USD
View
Retailer 14
-
HK$73,922 HKD
$9,422 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
HK$93,532 HKD
£9,387 GBP
View
Most Expensive
B
NZ Jewellers
631e12f0-c64d-4532-8689-4230b95d6466 · Oct 30
HK$112,248 HKD
$14,307 USD
View
15 more retailers have this diamond
Prices start from HK$49,200 HKDSave up to HK$63,048 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$49,200 HKD