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Oval|Natural|GIA

1.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 1548486476

Certificate GIA 1548486476

Diamond specifications and retailer prices

From HK$36,940 HKD
₹448,408 INR
As of November 1, 2026
Save HK$9,954 HKD (21%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$46,894 HKD at Blue Nile · As of October 31, 2026
View at Blue Nile

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548486476. Listed at 7 retailers as of October 31, 2026, with prices from HK$36,940 to HK$46,894, a HK$9,954 spread on the same certified stone. Blue Nile lists it at HK$46,894. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1548486476
Dimensions9.07 × 6.46 × 4.09 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.07 mm6.46 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1548486476
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.4%

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 1
Current: HK$46,894 HKD|Low: HK$36,106 HKD|High: HK$51,868 HKD|Avg: HK$41,421 HKD|-9.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3HK$36,940 HKD
Retailer 4HK$37,856 HKD
Retailer 7HK$39,738 HKD
Retailer 6HK$41,057 HKD
Retailer 2HK$42,087 HKD
Retailer 5HK$42,591 HKD
Blue NileHK$46,894 HKD

39 data points across 7 retailers

7 retailersHK$36,940 HKD to HK$46,894 HKD

A
Cheapest Retailer
-
HK$36,940 HKD
₹448,408 INR
A
Retailer 2
-
HK$37,856 HKD
$4,825 USD
View
A
Retailer 3
-
HK$39,738 HKD
$5,065 USD
View
A
Retailer 4
-
HK$41,057 HKD
$5,233 USD
View
Final sale: no returns
A
Retailer 5
-
HK$42,087 HKD
£4,224 GBP
View
B+
Retailer 6
-
HK$42,591 HKD
SGD 7,336 SGD
View
Most Expensive
B+
Blue Nile
27966075 · Oct 31
HK$46,894 HKD
$5,977 USD
View
6 more retailers have this diamond
Prices start from HK$36,940 HKDSave up to HK$9,954 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$36,940 HKD