Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 6455128223

Certificate GIA 6455128223

Diamond specifications and retailer prices

From €4,999 EUR
HK$43,800 HKD
As of November 1, 2026
Save €6,468 EUR (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €11,467 EUR at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from €4,999 to €11,467, a €6,468 spread on the same certified stone. NZ Jewellers lists it at €11,467. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €4,999 EUR|Low: €4,794 EUR|High: €9,670 EUR|Avg: €6,664 EUR|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6€4,999 EUR
Retailer 1€4,999 EUR
Retailer 5€5,719 EUR
Retailer 7€5,862 EUR
Retailer 8€6,328 EUR
Retailer 3€6,464 EUR
Retailer 9€6,961 EUR
Retailer 2€7,489 EUR
Retailer 4€9,554 EUR

36 data points across 9 retailers

17 retailers€4,999 EUR to €11,467 EUR

A
Cheapest Retailer
-
€4,999 EUR
HK$43,800 HKD
A
Retailer 2
-
€4,999 EUR
₹533,985 INR
View
Retailer 3
-
€5,706 EUR
SGD 8,648 SGD
View
Price last confirmed 18 days ago
A
Retailer 4
-
€5,719 EUR
$6,414 USD
View
B+
Retailer 5
-
€5,854 EUR
$6,566 USD
View
B+
Retailer 6
-
€5,862 EUR
$6,575 USD
View
B+
Retailer 7
-
€6,328 EUR
$7,097 USD
View
Final sale: no returns
B+
Retailer 8
-
€6,328 EUR
$7,098 USD
View
B+
Retailer 9
-
€6,464 EUR
£5,708 GBP
View
B+
Retailer 10
-
€6,855 EUR
$7,689 USD
View
B+
Retailer 11
-
€6,961 EUR
$7,808 USD
View
B+
Retailer 12
-
€7,002 EUR
$7,853 USD
View
B+
Retailer 13
-
€7,489 EUR
View
B+
Retailer 14
-
€7,910 EUR
$8,872 USD
View
B
Retailer 15
-
€9,554 EUR
£8,438 GBP
View
B
Retailer 16
-
€10,604 EUR
$11,894 USD
View
Most Expensive
B
NZ Jewellers
e2e0bffa-2620-4c99-98d0-a40ac2736498 · Oct 30
€11,467 EUR
$12,861 USD
View
16 more retailers have this diamond
Prices start from €4,999 EURSave up to €6,468 EUR

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
€4,999 EUR