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Oval|Natural|GIA

1.51ct H SI2 Oval Natural Diamond

ID • H/SI2 • GIA 6551643504

Certificate GIA 6551643504

Diamond specifications and retailer prices

From €3,122 EUR
$3,502 USD
As of November 2, 2026
Save €4,294 EUR (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €7,416 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551643504. Listed at 17 retailers as of October 30, 2026, with prices from €3,122 to €7,416, a €4,294 spread on the same certified stone. NZ Jewellers lists it at €7,416. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551643504
Dimensions8.86 × 6.30 × 3.97 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
8.86 mm6.30 mm1.51 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551643504
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.1%

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 2
Current: €7,416 EUR|Low: €3,122 EUR|High: €7,601 EUR|Avg: €4,412 EUR|-2.4%
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
Retailer 16
Retailer 17
November 2, 2026
Retailer 15€3,122 EUR
Retailer 8€3,326 EUR
Retailer 5€3,474 EUR
Retailer 11€3,560 EUR
Retailer 16€3,837 EUR
Retailer 6€3,837 EUR
Retailer 3€3,856 EUR
Retailer 4€3,856 EUR
Retailer 17€3,856 EUR
Retailer 7€4,091 EUR
Retailer 2€4,124 EUR
Retailer 12€4,233 EUR
Retailer 10€4,416 EUR
Retailer 14€4,450 EUR
Retailer 9€5,278 EUR
Retailer 13€6,780 EUR
NZ Jewellers€7,416 EUR

25 data points across 17 retailers

17 retailers€3,122 EUR to €7,416 EUR

A
Cheapest Retailer
-
€3,122 EUR
$3,502 USD
A
Retailer 2
-
€3,326 EUR
$3,730 USD
View
A
Retailer 3
-
€3,474 EUR
$3,897 USD
View
A
Retailer 4
-
€3,560 EUR
$3,993 USD
View
Final sale: no returns
A
Retailer 5
-
€3,837 EUR
$4,303 USD
View
A
Retailer 6
-
€3,837 EUR
$4,304 USD
View
A
Retailer 7
-
€3,856 EUR
$4,325 USD
View
A
Retailer 8
-
€3,856 EUR
$4,325 USD
View
A
Retailer 9
-
€3,856 EUR
$4,325 USD
View
A
Retailer 10
-
€4,091 EUR
$4,589 USD
View
A
Retailer 11
-
€4,124 EUR
£3,642 GBP
View
A
Retailer 12
-
€4,233 EUR
£3,738 GBP
View
A
Retailer 13
-
€4,416 EUR
View
A
Retailer 14
-
€4,450 EUR
$4,991 USD
View
B+
Retailer 15
-
€5,278 EUR
$5,920 USD
View
B+
Retailer 16
-
€6,780 EUR
£5,988 GBP
View
Most Expensive
B
NZ Jewellers
8c622049-9a61-49f9-ac51-2a589433ecd6 · Oct 30
€7,416 EUR
$8,318 USD
View
16 more retailers have this diamond
Prices start from €3,122 EURSave up to €4,294 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
€3,122 EUR