Oval|Natural|GIA

1.51ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 3555981329

Certificate GIA 3555981329

Diamond specifications and retailer prices

From HK$56,319 HKD
$7,178 USD
As of November 2, 2026
Save HK$20,833 HKD (27%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: HK$124,902 HKD at NZ Jewellers · As of October 23, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555981329. Listed at 33 retailers as of October 26, 2026, with a 37% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.82°
Pavilion angle39.37°
OriginNatural
Grading LabGIA
CertificateGIA 3555981329
Dimensions8.93 × 6.41 × 3.98 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.93 mm6.41 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555981329
Side View
Table 59.0%Crown 39.82°Girdle: MED-THKPavilion 39.37°Culet: NoneDepth 62.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: HK$124,902 HKD|Low: HK$53,828 HKD|High: HK$124,902 HKD|Avg: HK$68,684 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
Retailer 29
Retailer 30
Retailer 31
Retailer 32
Retailer 33
Retailer 34
Retailer 35
Retailer 36
Retailer 37
October 26, 2026
Retailer 29HK$53,828 HKD
Retailer 4HK$54,766 HKD
Retailer 28HK$55,692 HKD
Retailer 31HK$56,162 HKD
Retailer 36HK$56,319 HKD
Retailer 5HK$58,085 HKD
Retailer 18HK$58,477 HKD
Retailer 34HK$59,373 HKD
Retailer 27HK$59,630 HKD
Retailer 7HK$60,113 HKD
Retailer 15HK$62,180 HKD
Retailer 21HK$62,439 HKD
Retailer 16HK$62,447 HKD
Retailer 19HK$62,923 HKD
Retailer 22HK$66,519 HKD
Retailer 14HK$66,551 HKD
Retailer 6HK$67,657 HKD
Retailer 9HK$68,693 HKD
Retailer 33HK$68,964 HKD
Retailer 11HK$69,265 HKD
Retailer 23HK$69,647 HKD
Retailer 8HK$69,728 HKD
Retailer 13HK$69,957 HKD
Retailer 24HK$70,007 HKD
Retailer 12HK$74,067 HKD
Retailer 37HK$74,067 HKD
Retailer 25HK$74,193 HKD
Retailer 20HK$74,690 HKD
Retailer 10HK$75,648 HKD
Retailer 3HK$76,578 HKD
Retailer 2HK$77,153 HKD
Retailer 17HK$78,061 HKD
Retailer 30HK$86,880 HKD
Retailer 35HK$90,123 HKD
Retailer 26HK$90,921 HKD
Retailer 32HK$104,219 HKD
NZ JewellersHK$124,902 HKD

25 data points across 37 retailers

33 retailersHK$56,319 HKD to HK$77,153 HKD

Retailer 1
-
HK$54,766 HKD
$6,980 USD
Price last confirmed 15 days ago
B+
Retailer 2
-
HK$56,319 HKD
$7,178 USD
View
Retailer 3
-
HK$58,085 HKD
$7,403 USD
View
Price last confirmed 7 days ago
Retailer 4
-
HK$58,477 HKD
$7,453 USD
View
Price last confirmed 7 days ago
Retailer 5
-
HK$59,058 HKD
$7,527 USD
View
Price last confirmed 14 days ago
Retailer 6
-
HK$59,373 HKD
$7,567 USD
View
Price last confirmed 7 days ago
Retailer 7
-
HK$59,630 HKD
$7,600 USD
View
Price last confirmed 35 days ago
Retailer 8
-
HK$60,113 HKD
$7,662 USD
View
Price last confirmed 9 days ago
Retailer 9
-
HK$62,180 HKD
$7,925 USD
View
Price last confirmed 6 days ago
Retailer 10
-
HK$62,447 HKD
$7,959 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
HK$62,923 HKD
CA$11,138 CAD
View
B+
Retailer 12
-
HK$66,519 HKD
$8,478 USD
View
Retailer 13
-
HK$66,551 HKD
$8,482 USD
View
Price last confirmed 8 days ago
Retailer 14
-
HK$67,657 HKD
$8,623 USD
View
Price last confirmed 7 days ago
Retailer 15
-
HK$68,693 HKD
$8,755 USD
View
Price last confirmed 8 days ago
Retailer 16
-
HK$68,964 HKD
A$13,522 AUD
View
Price last confirmed 9 days ago
Retailer 17
-
HK$69,265 HKD
$8,828 USD
View
Price last confirmed 12 days ago
Retailer 18
-
HK$69,647 HKD
$8,877 USD
View
Price last confirmed 7 days ago
Retailer 19
-
HK$69,728 HKD
$8,887 USD
View
Price last confirmed 9 days ago
Retailer 20
-
HK$69,957 HKD
£7,021 GBP
View
Price last confirmed 7 days ago
Retailer 21
-
HK$70,007 HKD
£7,026 GBP
View
Price last confirmed 7 days ago
Retailer 22
-
HK$74,067 HKD
$9,440 USD
View
Price last confirmed 7 days ago
Retailer 23
-
HK$74,067 HKD
$9,440 USD
View
Price last confirmed 7 days ago
B+
Retailer 24
-
HK$74,193 HKD
$9,456 USD
View
Retailer 25
-
HK$74,690 HKD
$9,519 USD
View
Price last confirmed 7 days ago
Retailer 26
-
HK$75,648 HKD
$9,642 USD
View
Price last confirmed 10 days ago
Retailer 27
-
HK$76,578 HKD
$9,760 USD
View
Price last confirmed 7 days ago
B+
Retailer 28
-
HK$77,153 HKD
€9,365 EUR
View
Retailer 29
-
HK$78,061 HKD
$9,949 USD
View
Price last confirmed 10 days ago
Retailer 30
-
HK$86,880 HKD
$11,073 USD
View
Price last confirmed 37 days ago
Retailer 31
-
HK$90,123 HKD
ZAR 185,562 ZAR
View
Price last confirmed 11 days ago
Retailer 32
-
HK$104,219 HKD
£10,459 GBP
View
Price last confirmed 7 days ago
Most Expensive
NZ Jewellers
d9a550a5-6482-46e5-9c74-e03bdc0a4d1f · Oct 23
HK$124,902 HKD
$15,919 USD
View
Price last confirmed 9 days ago
32 more retailers have this diamond
Prices start from HK$56,319 HKDSave up to HK$20,833 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$56,319 HKD