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Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1537521668

Certificate GIA 1537521668

Diamond specifications and retailer prices

From HK$17,070 HKD
As of November 6, 2026
Save HK$30,135 HKD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$47,205 HKD at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1537521668. Listed at 13 retailers as of November 5, 2026, with prices from HK$17,070 to HK$47,205, a HK$30,135 spread on the same certified stone. NZ Jewellers lists it at HK$47,205. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1537521668
Dimensions7.56 × 7.61 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
ADDITIONAL CLOUDS ARE NOT SHOWN. PINPOINTS ARE NOT SHOWN.
Top View
7.56 mm7.61 mm1.70 ctM / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1537521668
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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 6
Current: HK$47,205 HKD|Low: HK$17,015 HKD|High: HK$47,205 HKD|Avg: HK$24,580 HKD|+0.5%
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 6, 2026
Retailer 2HK$17,070 HKD
Retailer 5HK$20,119 HKD
Retailer 10HK$21,294 HKD
Retailer 12HK$22,101 HKD
Retailer 4HK$22,580 HKD
Retailer 11HK$22,580 HKD
Retailer 13HK$23,450 HKD
Retailer 3HK$23,685 HKD
Retailer 6HK$24,586 HKD
Retailer 9HK$26,052 HKD
Retailer 8HK$26,271 HKD
Retailer 7HK$27,556 HKD
NZ JewellersHK$47,205 HKD

27 data points across 13 retailers

13 retailersHK$17,070 HKD to HK$47,205 HKD

A
Cheapest Retailer
-
HK$17,070 HKD
A
Retailer 2
-
HK$20,119 HKD
View
A
Retailer 3
-
HK$21,294 HKD
View
A
Retailer 4
-
HK$22,101 HKD
View
Retailer 5
-
HK$22,580 HKD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$22,580 HKD
View
A
Retailer 7
-
HK$23,450 HKD
View
A
Retailer 8
-
HK$23,685 HKD
View
B+
Retailer 9
-
HK$24,586 HKD
View
B+
Retailer 10
-
HK$26,052 HKD
View
B+
Retailer 11
-
HK$26,271 HKD
View
B+
Retailer 12
-
HK$27,556 HKD
View
Most Expensive
B
NZ Jewellers
ced3fa81-e339-4790-8dcb-1ec31cb76e43 · Nov 5
HK$47,205 HKD
$6,023 USD
View
12 more retailers have this diamond
Prices start from HK$17,070 HKDSave up to HK$30,135 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$17,070 HKD