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Oval|Natural|GIA

1.51ct D SI2 Oval Natural Diamond

ID • D/SI2 • GIA 2231615608

Certificate GIA 2231615608

Diamond specifications and retailer prices

From HK$46,564 HKD
$5,935 USD
As of October 30, 2026
Save HK$56,136 HKD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$102,700 HKD at NZ Jewellers · As of October 27, 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 D 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 2231615608. Listed at 22 retailers as of October 27, 2026, with prices from HK$46,564 to HK$102,700, a HK$56,136 spread on the same certified stone. NZ Jewellers lists it at HK$102,700. 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
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.37°
Pavilion angle39.57°
OriginNatural
Grading LabGIA
CertificateGIA 2231615608
Dimensions8.61 × 6.24 × 4.15 mm
L/W Ratio1.38
Girdle conditionExtremely Thick
Key to symbols
Crystal, Feather, Needle
Top View
8.61 mm6.24 mm1.51 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231615608
Side View
Table 55.0%Crown 40.37°Girdle: STK-ETKPavilion 39.57°Culet: NoneDepth 66.5%

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 30
Current: HK$102,700 HKD|Low: HK$40,484 HKD|High: HK$102,700 HKD|Avg: HK$60,912 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
October 29, 2026
Retailer 4HK$46,564 HKD
Retailer 10HK$48,581 HKD
Retailer 3HK$51,350 HKD
Retailer 11HK$51,350 HKD
Retailer 13HK$55,626 HKD
Retailer 6HK$56,291 HKD
Retailer 12HK$56,481 HKD
Retailer 9HK$57,628 HKD
Retailer 2HK$58,194 HKD
Retailer 5HK$61,896 HKD
Retailer 8HK$63,375 HKD
Retailer 14HK$64,186 HKD
Retailer 7HK$86,030 HKD
NZ JewellersHK$102,700 HKD

36 data points across 14 retailers

22 retailersHK$46,564 HKD to HK$102,700 HKD

A
Cheapest Retailer
-
HK$46,564 HKD
$5,935 USD
A
Retailer 2
-
HK$47,561 HKD
$6,062 USD
View
A
Retailer 3
-
HK$48,518 HKD
$6,184 USD
View
A
Retailer 4
-
HK$48,581 HKD
$6,192 USD
View
A
Retailer 5
-
HK$49,185 HKD
$6,269 USD
View
A
Retailer 6
-
HK$51,350 HKD
$6,545 USD
View
Final sale: no returns
A
Retailer 7
-
HK$51,350 HKD
$6,545 USD
View
A
Retailer 8
-
HK$54,678 HKD
$6,969 USD
View
A
Retailer 9
-
HK$55,626 HKD
$7,090 USD
View
A
Retailer 10
-
HK$56,291 HKD
A$11,038 AUD
View
A
Retailer 11
-
HK$56,481 HKD
$7,199 USD
View
A
Retailer 12
-
HK$57,628 HKD
£5,784 GBP
View
B+
Retailer 13
-
HK$57,687 HKD
$7,353 USD
View
A
Retailer 14
-
HK$58,194 HKD
£5,840 GBP
View
B+
Retailer 15
-
HK$61,589 HKD
$7,850 USD
View
B+
Retailer 16
-
HK$61,589 HKD
$7,850 USD
View
B+
Retailer 17
-
HK$61,896 HKD
$7,889 USD
View
B+
Retailer 18
-
HK$63,375 HKD
€7,693 EUR
View
B+
Retailer 19
-
HK$63,629 HKD
$8,110 USD
View
B+
Retailer 20
-
HK$64,186 HKD
$8,181 USD
View
B+
Retailer 21
-
HK$86,030 HKD
£8,634 GBP
View
Most Expensive
B
NZ Jewellers
ff2703fb-317d-4269-8f8b-875e1eded4cb · Oct 27
HK$102,700 HKD
$13,090 USD
View
21 more retailers have this diamond
Prices start from HK$46,564 HKDSave up to HK$56,136 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$46,564 HKD