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Oval|Natural|GIA

1.51ct H SI2 Oval Natural Diamond

ID • H/SI2 • GIA 1548148688

Certificate GIA 1548148688

Diamond specifications and retailer prices

From HK$44,469 HKD
$5,668 USD
As of November 2, 2026
Save HK$57,093 HKD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$101,563 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval 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 stated by the retailer rather than the lab and certified by GIA 1548148688. Listed at 18 retailers as of October 30, 2026, with prices from HK$44,469 to HK$101,563, a HK$57,093 spread on the same certified stone. NZ Jewellers lists it at HK$101,563. 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

1.51
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.14°
Pavilion angle36.64°
OriginNatural
Grading LabGIA
CertificateGIA 1548148688
Dimensions9.13 × 6.40 × 3.82 mm
L/W Ratio1.43
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Feather, Cavity, Indented Natural
Top View
9.13 mm6.40 mm1.51 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1548148688
Side View
Table 59.0%Crown 39.14°Girdle: STK-VTKPavilion 36.64°Culet: NoneDepth 59.7%

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 2
Current: HK$101,563 HKD|Low: HK$44,022 HKD|High: HK$101,563 HKD|Avg: HK$61,640 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
November 2, 2026
Retailer 4HK$44,469 HKD
Retailer 13HK$47,976 HKD
Retailer 7HK$50,777 HKD
Retailer 12HK$50,777 HKD
Retailer 14HK$51,201 HKD
Retailer 5HK$55,014 HKD
Retailer 15HK$55,861 HKD
Retailer 3HK$56,042 HKD
Retailer 8HK$57,249 HKD
Retailer 11HK$61,207 HKD
Retailer 6HK$63,472 HKD
Retailer 2HK$66,332 HKD
Retailer 10HK$66,908 HKD
Retailer 9HK$84,625 HKD
NZ JewellersHK$101,563 HKD

42 data points across 15 retailers

18 retailersHK$44,469 HKD to HK$101,563 HKD

B+
Cheapest Retailer
-
HK$44,469 HKD
$5,668 USD
B+
Retailer 2
-
HK$47,976 HKD
$6,115 USD
View
B+
Retailer 3
-
HK$50,777 HKD
$6,472 USD
View
B+
Retailer 4
-
HK$50,777 HKD
$6,472 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$51,201 HKD
$6,526 USD
View
B+
Retailer 6
-
HK$55,014 HKD
$7,012 USD
View
B
Retailer 7
-
HK$55,861 HKD
$7,120 USD
View
B
Retailer 8
-
HK$56,042 HKD
$7,143 USD
View
B+
Retailer 9
-
HK$57,249 HKD
£5,746 GBP
View
B+
Retailer 10
-
HK$60,216 HKD
$7,675 USD
View
B+
Retailer 11
-
HK$60,961 HKD
$7,770 USD
View
B+
Retailer 12
-
HK$60,961 HKD
$7,770 USD
View
B+
Retailer 13
-
HK$61,207 HKD
$7,801 USD
View
B
Retailer 14
-
HK$63,001 HKD
$8,030 USD
View
B
Retailer 15
-
HK$63,472 HKD
$8,090 USD
View
B
Retailer 16
-
HK$66,332 HKD
€8,052 EUR
View
B
Retailer 17
-
HK$84,625 HKD
£8,493 GBP
View
Most Expensive
B
NZ Jewellers
4d673faf-1ed0-41f7-8537-26c63027609b · Oct 30
HK$101,563 HKD
$12,945 USD
View
17 more retailers have this diamond
Prices start from HK$44,469 HKDSave up to HK$57,093 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+
1.51ct Oval
HK$44,469 HKD