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Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 2245085602

Certificate GIA 2245085602

Diamond specifications and retailer prices

From HK$14,946 HKD
As of November 6, 2026
Save HK$28,873 HKD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$43,819 HKD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245085602. Listed at 12 retailers as of November 5, 2026, with prices from HK$14,946 to HK$43,819, a HK$28,873 spread on the same certified stone. NZ Jewellers lists it at HK$43,819. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle38.75°
OriginNatural
Grading LabGIA
CertificateGIA 2245085602
Dimensions9.01 × 6.34 × 4.10 mm
L/W Ratio1.42
Key to symbols
Crystal, Cloud
Top View
9.01 mm6.34 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2245085602
Side View
Table 63.0%CrownGirdle: STK-THKPavilion 38.75°Culet: NoneDepth 64.6%

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 6
Current: HK$43,819 HKD|Low: HK$14,946 HKD|High: HK$46,609 HKD|Avg: HK$26,349 HKD|-6.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2HK$14,946 HKD
Retailer 10HK$19,319 HKD
Retailer 5HK$20,213 HKD
Retailer 6HK$20,785 HKD
Retailer 4HK$20,957 HKD
Retailer 12HK$21,764 HKD
Retailer 3HK$22,854 HKD
Retailer 8HK$24,782 HKD
Retailer 7HK$25,785 HKD
Retailer 11HK$31,843 HKD
Retailer 9HK$36,718 HKD
NZ JewellersHK$43,819 HKD

24 data points across 12 retailers

12 retailersHK$14,946 HKD to HK$43,819 HKD

A
Cheapest Retailer
-
HK$14,946 HKD
A
Retailer 2
-
HK$19,319 HKD
View
A
Retailer 3
-
HK$20,213 HKD
View
A
Retailer 4
-
HK$20,785 HKD
View
A
Retailer 5
-
HK$20,957 HKD
View
A
Retailer 6
-
HK$21,764 HKD
View
A
Retailer 7
-
HK$22,854 HKD
View
A
Retailer 8
-
HK$24,782 HKD
View
A
Retailer 9
-
HK$25,785 HKD
View
B+
Retailer 10
-
HK$31,843 HKD
View
B+
Retailer 11
-
HK$36,718 HKD
View
Most Expensive
B
NZ Jewellers
06407ec2-9e67-4908-8adb-4ab5f11a71bc · Nov 5
HK$43,819 HKD
$5,591 USD
View
11 more retailers have this diamond
Prices start from HK$14,946 HKDSave up to HK$28,873 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$14,946 HKD