Oval|Natural|GIA

1.51ct F SI1 Oval Natural Diamond

ID • F/SI1 • GIA 6531369634

Certificate GIA 6531369634

Diamond specifications and retailer prices

From €7,718 EUR
$8,657 USD
As of November 2, 2026
Save €6,221 EUR (45%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €13,939 EUR 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6531369634. Listed at 16 retailers as of November 2, 2026, with prices from €7,718 to €13,939, a €6,221 spread on the same certified stone. NZ Jewellers lists it at €13,939. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531369634
Dimensions9.60 × 6.16 × 3.93 mm
L/W Ratio1.56
Top View
9.60 mm6.16 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6531369634
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €13,939 EUR|Low: €7,627 EUR|High: €13,939 EUR|Avg: €10,043 EUR
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
Retailer 15
November 3, 2026
Retailer 3€7,718 EUR
Retailer 12€8,287 EUR
Retailer 7€8,364 EUR
Retailer 14€8,433 EUR
Retailer 5€9,060 EUR
Retailer 2€9,064 EUR
Retailer 15€9,103 EUR
Retailer 8€9,200 EUR
Retailer 10€9,357 EUR
Retailer 9€9,590 EUR
Retailer 6€10,455 EUR
Retailer 11€10,536 EUR
Retailer 13€12,287 EUR
Retailer 4€13,062 EUR
NZ Jewellers€13,939 EUR

40 data points across 15 retailers

16 retailers€7,718 EUR to €13,939 EUR

B+
Cheapest Retailer
-
€7,718 EUR
$8,657 USD
B+
Retailer 2
-
€7,831 EUR
$8,783 USD
View
B+
Retailer 3
-
€8,287 EUR
$9,295 USD
View
B+
Retailer 4
-
€8,433 EUR
$9,459 USD
View
B
Retailer 5
-
€8,919 EUR
$10,003 USD
View
B
Retailer 6
-
€9,060 EUR
$10,162 USD
View
B+
Retailer 7
-
€9,064 EUR
£8,005 GBP
View
Retailer 8
-
€9,103 EUR
A$15,707 AUD
View
Our latest check could not confirm this price
B
Retailer 9
-
€9,200 EUR
$10,319 USD
View
B
Retailer 10
-
€9,357 EUR
£8,264 GBP
View
B
Retailer 11
-
€9,590 EUR
$10,756 USD
View
B
Retailer 12
-
€10,455 EUR
$11,726 USD
View
B
Retailer 13
-
€10,536 EUR
View
B
Retailer 14
-
€12,287 EUR
ZAR 222,636 ZAR
View
B
Retailer 15
-
€13,062 EUR
£11,536 GBP
View
Most Expensive
B
NZ Jewellers
ef70bf24-57fa-4a5e-9bde-f717cf668600 · Nov 2
€13,939 EUR
$15,634 USD
View
15 more retailers have this diamond
Prices start from €7,718 EURSave up to €6,221 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.

B+
1.51ct Oval
€7,718 EUR