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Oval|Natural|GIA

1.51ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 5526668826

Certificate GIA 5526668826

Diamond specifications and retailer prices

From HK$53,424 HKD
$6,809 USD
As of November 1, 2026
Save HK$60,690 HKD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$114,114 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5526668826. Listed at 20 retailers as of October 30, 2026, with prices from HK$53,424 to HK$114,114, a HK$60,690 spread on the same certified stone. NZ Jewellers lists it at HK$114,114. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5526668826
Dimensions9.41 × 6.18 × 3.99 mm
L/W Ratio1.52
Top View
9.41 mm6.18 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5526668826
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.6%

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 1
Current: HK$114,114 HKD|Low: HK$52,302 HKD|High: HK$114,114 HKD|Avg: HK$71,113 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 15HK$53,424 HKD
Retailer 14HK$57,002 HKD
Retailer 13HK$57,057 HKD
Retailer 3HK$58,053 HKD
Retailer 7HK$61,812 HKD
Retailer 4HK$62,761 HKD
Retailer 8HK$63,054 HKD
Retailer 5HK$63,145 HKD
Retailer 12HK$64,606 HKD
Retailer 11HK$68,964 HKD
Retailer 6HK$71,321 HKD
Retailer 2HK$74,541 HKD
Retailer 10HK$83,821 HKD
Retailer 9HK$95,092 HKD
NZ JewellersHK$114,114 HKD

42 data points across 15 retailers

20 retailersHK$53,424 HKD to HK$114,114 HKD

B+
Cheapest Retailer
-
HK$53,424 HKD
$6,809 USD
B
Retailer 2
-
HK$57,002 HKD
$7,265 USD
View
B
Retailer 3
-
HK$57,057 HKD
$7,272 USD
View
B
Retailer 4
-
HK$57,057 HKD
$7,272 USD
View
Final sale: no returns
B
Retailer 5
-
HK$58,053 HKD
$7,399 USD
View
B
Retailer 6
-
HK$61,812 HKD
$7,878 USD
View
B
Retailer 7
-
HK$62,761 HKD
$7,999 USD
View
B+
Retailer 8
-
HK$63,054 HKD
£6,328 GBP
View
B
Retailer 9
-
HK$63,145 HKD
$8,048 USD
View
Retailer 10
-
HK$64,606 HKD
A$12,668 AUD
View
Price last confirmed 11 days ago
B
Retailer 11
-
HK$68,026 HKD
$8,670 USD
View
B
Retailer 12
-
HK$68,026 HKD
$8,670 USD
View
B
Retailer 13
-
HK$68,451 HKD
$8,724 USD
View
B
Retailer 14
-
HK$68,964 HKD
$8,790 USD
View
B
Retailer 15
-
HK$70,301 HKD
$8,960 USD
View
B
Retailer 16
-
HK$71,321 HKD
$9,090 USD
View
B
Retailer 17
-
HK$74,541 HKD
€9,048 EUR
View
B
Retailer 18
-
HK$83,821 HKD
ZAR 172,588 ZAR
View
B
Retailer 19
-
HK$95,092 HKD
£9,543 GBP
View
Most Expensive
B
NZ Jewellers
46340976-d7d4-470f-9b56-6b02ff4253f8 · Oct 30
HK$114,114 HKD
$14,544 USD
View
19 more retailers have this diamond
Prices start from HK$53,424 HKDSave up to HK$60,690 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$53,424 HKD