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Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 6455128223

Certificate GIA 6455128223

Diamond specifications and retailer prices

From HK$43,988 HKD
As of November 1, 2026
Save HK$56,920 HKD (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$100,909 HKD at NZ Jewellers · As of November 2, 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 F 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 6455128223. Listed at 17 retailers as of November 1, 2026, with prices from HK$43,988 to HK$100,909, a HK$56,920 spread on the same certified stone. NZ Jewellers lists it at HK$100,909. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6455128223
Dimensions8.76 × 6.24 × 4.03 mm
L/W Ratio1.40
Top View
8.76 mm6.24 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6455128223
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.5%

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: Nov 1
Current: HK$43,992 HKD|Low: HK$42,188 HKD|High: HK$85,097 HKD|Avg: HK$58,642 HKD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6HK$43,988 HKD
Retailer 1HK$43,992 HKD
Retailer 5HK$50,325 HKD
Retailer 7HK$51,588 HKD
Retailer 8HK$55,684 HKD
Retailer 3HK$56,882 HKD
Retailer 9HK$61,262 HKD
Retailer 2HK$65,907 HKD
Retailer 4HK$84,081 HKD

36 data points across 9 retailers

17 retailersHK$43,988 HKD to HK$100,909 HKD

A
Cheapest Retailer
-
HK$43,988 HKD
A
Retailer 2
-
HK$43,992 HKD
₹533,985 INR
View
Retailer 3
-
HK$50,211 HKD
SGD 8,648 SGD
View
Price last confirmed 18 days ago
A
Retailer 4
-
HK$50,325 HKD
$6,414 USD
View
B+
Retailer 5
-
HK$51,517 HKD
$6,566 USD
View
B+
Retailer 6
-
HK$51,588 HKD
$6,575 USD
View
B+
Retailer 7
-
HK$55,684 HKD
$7,097 USD
View
Final sale: no returns
B+
Retailer 8
-
HK$55,692 HKD
$7,098 USD
View
B+
Retailer 9
-
HK$56,882 HKD
£5,708 GBP
View
B+
Retailer 10
-
HK$60,329 HKD
$7,689 USD
View
B+
Retailer 11
-
HK$61,262 HKD
$7,808 USD
View
B+
Retailer 12
-
HK$61,617 HKD
$7,853 USD
View
B+
Retailer 13
-
HK$65,907 HKD
€8,000 EUR
View
B+
Retailer 14
-
HK$69,611 HKD
$8,872 USD
View
B
Retailer 15
-
HK$84,081 HKD
£8,438 GBP
View
B
Retailer 16
-
HK$93,322 HKD
$11,894 USD
View
Most Expensive
B
NZ Jewellers
e2e0bffa-2620-4c99-98d0-a40ac2736498 · Nov 2
HK$100,909 HKD
$12,861 USD
View
16 more retailers have this diamond
Prices start from HK$43,988 HKDSave up to HK$56,920 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$43,988 HKD