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Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

ID • F/SI2 • GIA 2557576321

Certificate GIA 2557576321

Diamond specifications and retailer prices

From HK$35,064 HKD
$4,469 USD
As of November 2, 2026
Save HK$40,776 HKD (54%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$75,840 HKD at NZ Jewellers · As of November 2, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557576321. Listed at 26 retailers as of November 2, 2026, with prices from HK$35,064 to HK$75,840, a HK$40,776 spread on the same certified stone. NZ Jewellers lists it at HK$75,840. 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
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle37.9°
OriginNatural
Grading LabGIA
CertificateGIA 2557576321
Dimensions9.46 × 6.05 × 3.92 mm
L/W Ratio1.56
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity
Top View
9.46 mm6.05 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2557576321
Side View
Table 63.0%Crown 37.9°Girdle: MED-VTKPavilionCulet: NoneDepth 64.8%

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 2
Current: HK$75,840 HKD|Low: HK$35,064 HKD|High: HK$75,840 HKD|Avg: HK$47,157 HKD|+10.4%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 2, 2026
Retailer 7HK$35,064 HKD
Retailer 8HK$35,425 HKD
Retailer 3HK$35,825 HKD
Retailer 16HK$35,825 HKD
Retailer 25HK$36,275 HKD
Retailer 9HK$37,912 HKD
Retailer 18HK$38,524 HKD
Retailer 2HK$40,343 HKD
Retailer 11HK$40,643 HKD
Retailer 13HK$41,082 HKD
Retailer 24HK$41,082 HKD
Retailer 19HK$41,796 HKD
Retailer 4HK$42,149 HKD
Retailer 20HK$42,726 HKD
Retailer 14HK$43,523 HKD
Retailer 22HK$44,237 HKD
Retailer 10HK$44,880 HKD
Retailer 12HK$44,880 HKD
Retailer 5HK$45,335 HKD
Retailer 15HK$46,370 HKD
Retailer 6HK$47,398 HKD
Retailer 21HK$48,434 HKD
Retailer 17HK$65,683 HKD
Retailer 23HK$66,812 HKD
NZ JewellersHK$75,840 HKD

20 data points across 25 retailers

26 retailersHK$35,064 HKD to HK$75,840 HKD

A
Cheapest Retailer
-
HK$35,064 HKD
$4,469 USD
A
Retailer 2
-
HK$35,425 HKD
$4,515 USD
View
A
Retailer 3
-
HK$35,825 HKD
$4,566 USD
View
A
Retailer 4
-
HK$35,825 HKD
$4,566 USD
View
A
Retailer 5
-
HK$36,275 HKD
$4,623 USD
View
A
Retailer 6
-
HK$37,349 HKD
A$7,323 AUD
View
A
Retailer 7
-
HK$37,912 HKD
$4,832 USD
View
Final sale: no returns
Retailer 8
-
HK$38,524 HKD
$4,910 USD
View
Price last confirmed 21 days ago
A
Retailer 9
-
HK$40,343 HKD
CA$7,141 CAD
View
A
Retailer 10
-
HK$40,643 HKD
$5,180 USD
View
A
Retailer 11
-
HK$41,082 HKD
$5,236 USD
View
A
Retailer 12
-
HK$41,082 HKD
$5,236 USD
View
A
Retailer 13
-
HK$41,796 HKD
$5,327 USD
View
A
Retailer 14
-
HK$42,149 HKD
$5,372 USD
View
B+
Retailer 15
-
HK$42,726 HKD
£4,288 GBP
View
A
Retailer 16
-
HK$43,523 HKD
$5,547 USD
View
A
Retailer 17
-
HK$44,237 HKD
£4,439 GBP
View
A
Retailer 18
-
HK$44,880 HKD
$5,720 USD
View
A
Retailer 19
-
HK$44,880 HKD
$5,720 USD
View
A
Retailer 20
-
HK$45,335 HKD
$5,778 USD
View
B+
Retailer 21
-
HK$46,370 HKD
$5,910 USD
View
B+
Retailer 22
-
HK$47,398 HKD
$6,041 USD
View
B+
Retailer 23
-
HK$48,434 HKD
€5,879 EUR
View
B
Retailer 24
-
HK$65,683 HKD
$8,371 USD
View
B
Retailer 25
-
HK$66,812 HKD
£6,705 GBP
View
Most Expensive
B
NZ Jewellers
d2ab3c1f-a838-4bcb-bc8e-6cbec82ee8cc · Nov 2
HK$75,840 HKD
$9,666 USD
View
25 more retailers have this diamond
Prices start from HK$35,064 HKDSave up to HK$40,776 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
1.51ct Oval
HK$35,064 HKD