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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 €3,135 EUR
$3,502 USD
As of October 31, 2026
Save €4,311 EUR (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €7,445 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 €3,135 to €7,445, a €4,311 spread on the same certified stone. NZ Jewellers lists it at €7,445. 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
Color
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: Oct 31
Current: €7,445 EUR|Low: €3,135 EUR|High: €7,631 EUR|Avg: €4,447 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€3,135 EUR
Retailer 8€3,339 EUR
Retailer 5€3,488 EUR
Retailer 2€3,574 EUR
Retailer 16€3,852 EUR
Retailer 6€3,852 EUR
Retailer 3€3,871 EUR
Retailer 4€3,871 EUR
Retailer 17€3,871 EUR
Retailer 7€4,108 EUR
Retailer 11€4,140 EUR
Retailer 10€4,250 EUR
Retailer 13€4,420 EUR
Retailer 14€4,467 EUR
Retailer 9€5,299 EUR
Retailer 12€6,807 EUR
NZ Jewellers€7,445 EUR

25 data points across 17 retailers

17 retailers€3,135 EUR to €7,445 EUR

A
Cheapest Retailer
-
€3,135 EUR
$3,502 USD
A
Retailer 2
-
€3,339 EUR
$3,730 USD
View
A
Retailer 3
-
€3,488 EUR
$3,897 USD
View
A
Retailer 4
-
€3,574 EUR
$3,993 USD
View
Final sale: no returns
A
Retailer 5
-
€3,852 EUR
$4,303 USD
View
A
Retailer 6
-
€3,852 EUR
$4,304 USD
View
A
Retailer 7
-
€3,871 EUR
$4,325 USD
View
A
Retailer 8
-
€3,871 EUR
$4,325 USD
View
A
Retailer 9
-
€3,871 EUR
$4,325 USD
View
A
Retailer 10
-
€4,108 EUR
$4,589 USD
View
A
Retailer 11
-
€4,140 EUR
£3,642 GBP
View
A
Retailer 12
-
€4,250 EUR
£3,738 GBP
View
A
Retailer 13
-
€4,420 EUR
View
A
Retailer 14
-
€4,467 EUR
$4,991 USD
View
B+
Retailer 15
-
€5,299 EUR
$5,920 USD
View
B+
Retailer 16
-
€6,807 EUR
£5,988 GBP
View
Most Expensive
B
NZ Jewellers
8c622049-9a61-49f9-ac51-2a589433ecd6 · Oct 30
€7,445 EUR
$8,318 USD
View
16 more retailers have this diamond
Prices start from €3,135 EURSave up to €4,311 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
€3,135 EUR