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Oval|Natural|GIA

1.51ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 7543674333

Certificate GIA 7543674333

Diamond specifications and retailer prices

From HK$20,463 HKD
As of November 6, 2026
Save HK$27,329 HKD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$47,792 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7543674333. Listed at 16 retailers as of November 5, 2026, with prices from HK$20,463 to HK$47,792, a HK$27,329 spread on the same certified stone. NZ Jewellers lists it at HK$47,792. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7543674333
Dimensions9.06 × 6.35 × 4.01 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
9.06 mm6.35 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7543674333
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.2%

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$26,608 HKD|Low: HK$20,463 HKD|High: HK$46,421 HKD|Avg: HK$32,702 HKD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6HK$20,463 HKD
Retailer 1HK$26,608 HKD
Retailer 3HK$28,387 HKD
Retailer 2HK$31,937 HKD
Retailer 4HK$33,481 HKD
Retailer 5HK$45,739 HKD

37 data points across 6 retailers

16 retailersHK$20,463 HKD to HK$47,792 HKD

A
Cheapest Retailer
-
HK$20,463 HKD
A
Retailer 2
-
HK$23,418 HKD
View
A
Retailer 3
-
HK$24,351 HKD
View
A
Retailer 4
-
HK$26,412 HKD
View
A
Retailer 5
-
HK$26,608 HKD
View
Retailer 6
-
HK$27,431 HKD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$27,431 HKD
View
A
Retailer 8
-
HK$28,387 HKD
View
Retailer 9
-
HK$28,481 HKD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
HK$28,489 HKD
View
B+
Retailer 11
-
HK$29,288 HKD
View
B+
Retailer 12
-
HK$31,647 HKD
View
B+
Retailer 13
-
HK$31,937 HKD
View
B+
Retailer 14
-
HK$33,481 HKD
View
B
Retailer 15
-
HK$45,739 HKD
View
Most Expensive
B
NZ Jewellers
a167fbd1-0cc6-498b-b95c-4f6b8a2bffc5 · Nov 5
HK$47,792 HKD
$6,098 USD
View
15 more retailers have this diamond
Prices start from HK$20,463 HKDSave up to HK$27,329 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$20,463 HKD