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Oval|Natural|GIA

1.70ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 7538644928

Certificate GIA 7538644928

Diamond specifications and retailer prices

From HK$41,280 HKD
As of November 5, 2026
Save HK$47,095 HKD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$88,375 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.7ct natural oval diamond

This 1.7ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7538644928. Listed at 15 retailers as of November 5, 2026, with prices from HK$41,280 to HK$88,375, a HK$47,095 spread on the same certified stone. NZ Jewellers lists it at HK$88,375. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7538644928
Dimensions9.62 × 6.87 × 3.92 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Knot, Needle
Top View
9.62 mm6.87 mm1.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7538644928
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 57.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$88,375 HKD|Low: HK$41,750 HKD|High: HK$88,375 HKD|Avg: HK$56,771 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3HK$41,750 HKD
Retailer 8HK$44,595 HKD
Retailer 7HK$47,871 HKD
Retailer 10HK$47,871 HKD
Retailer 4HK$50,183 HKD
Retailer 9HK$50,481 HKD
Retailer 2HK$54,376 HKD
Retailer 11HK$55,238 HKD
Retailer 5HK$64,470 HKD
Retailer 6HK$77,637 HKD
NZ JewellersHK$88,375 HKD

45 data points across 11 retailers

15 retailersHK$41,280 HKD to HK$88,375 HKD

B+
Cheapest Retailer
-
HK$41,280 HKD
B+
Retailer 2
-
HK$41,750 HKD
View
B+
Retailer 3
-
HK$42,298 HKD
View
B+
Retailer 4
-
HK$44,556 HKD
View
B+
Retailer 5
-
HK$44,595 HKD
View
Retailer 6
-
HK$47,871 HKD
View
Price last confirmed 8 days ago
B
Retailer 7
-
HK$47,871 HKD
View
B
Retailer 8
-
HK$47,871 HKD
View
B+
Retailer 9
-
HK$50,183 HKD
View
B+
Retailer 10
-
HK$50,481 HKD
View
B
Retailer 11
-
HK$54,376 HKD
View
B
Retailer 12
-
HK$55,238 HKD
View
B
Retailer 13
-
HK$64,470 HKD
View
B
Retailer 14
-
HK$77,637 HKD
View
Most Expensive
B
NZ Jewellers
fa1220ba-5911-4b21-8345-b46780fbcea1 · Nov 5
HK$88,375 HKD
$11,276 USD
View
14 more retailers have this diamond
Prices start from HK$41,280 HKDSave up to HK$47,095 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.

B+
1.70ct Oval
HK$41,280 HKD