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Oval|Natural|GIA

1.51ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 1553875487

Certificate GIA 1553875487

Diamond specifications and retailer prices

From HK$50,117 HKD
As of October 29, 2026
Save HK$64,496 HKD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$114,612 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 E 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 1553875487. Listed at 11 retailers as of October 29, 2026, with prices from HK$50,117 to HK$114,612, a HK$64,496 spread on the same certified stone. NZ Jewellers lists it at HK$114,612. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553875487
Dimensions8.86 × 6.19 × 4.02 mm
L/W Ratio1.43
Key to symbols
Crystal, Feather, Needle
Top View
8.86 mm6.19 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553875487
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.0%

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: Oct 29
Current: HK$114,612 HKD|Low: HK$50,117 HKD|High: HK$119,328 HKD|Avg: HK$71,220 HKD|-4.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10HK$50,117 HKD
Retailer 7HK$55,866 HKD
Retailer 2HK$56,487 HKD
Retailer 3HK$59,259 HKD
Retailer 11HK$60,621 HKD
Retailer 4HK$64,311 HKD
Retailer 8HK$68,530 HKD
Retailer 9HK$69,582 HKD
Retailer 6HK$74,429 HKD
Retailer 5HK$96,012 HKD
NZ JewellersHK$114,612 HKD

34 data points across 11 retailers

11 retailersHK$50,117 HKD to HK$114,612 HKD

A
Cheapest Retailer
-
HK$50,117 HKD
A
Retailer 2
-
HK$55,866 HKD
$7,120 USD
View
A
Retailer 3
-
HK$56,487 HKD
€6,856 EUR
View
Retailer 4
-
HK$59,259 HKD
SGD 10,206 SGD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
HK$60,621 HKD
$7,726 USD
View
B+
Retailer 6
-
HK$64,311 HKD
£6,454 GBP
View
B+
Retailer 7
-
HK$68,530 HKD
$8,734 USD
View
B+
Retailer 8
-
HK$69,582 HKD
$8,868 USD
View
B+
Retailer 9
-
HK$74,429 HKD
€9,034 EUR
View
B
Retailer 10
-
HK$96,012 HKD
£9,635 GBP
View
Most Expensive
B
NZ Jewellers
03eb7318-4dbf-444e-9944-c8b39e425396 · Oct 30
HK$114,612 HKD
$14,607 USD
View
10 more retailers have this diamond
Prices start from HK$50,117 HKDSave up to HK$64,496 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$50,117 HKD