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Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

ID • D/SI1 • GIA 7548154942

Certificate GIA 7548154942

Diamond specifications and retailer prices

From €5,887 EUR
$6,554 USD
As of October 29, 2026
Save €5,327 EUR (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €11,214 EUR at NZ Jewellers · As of October 27, 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 D 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 7548154942. Listed at 9 retailers as of October 27, 2026, with prices from €5,887 to €11,214, a €5,327 spread on the same certified stone. NZ Jewellers lists it at €11,214. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.36°
Pavilion angle39.7°
OriginNatural
Grading LabGIA
CertificateGIA 7548154942
Dimensions8.58 × 6.28 × 4.13 mm
L/W Ratio1.37
Girdle conditionVery Thick
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
8.58 mm6.28 mm1.51 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7548154942
Side View
Table 57.0%Crown 40.36°Girdle: ThickPavilion 39.7°Culet: NoneDepth 65.8%

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 29
Current: €11,214 EUR|Low: €5,887 EUR|High: €12,010 EUR|Avg: €7,723 EUR|-6.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 7€5,887 EUR
Retailer 8€6,193 EUR
Retailer 4€6,310 EUR
Retailer 6€6,705 EUR
Retailer 10€6,706 EUR
Retailer 9€6,756 EUR
Retailer 2€6,809 EUR
Retailer 3€7,369 EUR
Retailer 11€7,884 EUR
Retailer 5€9,395 EUR
NZ Jewellers€11,214 EUR

36 data points across 11 retailers

9 retailers€5,887 EUR to €11,214 EUR

A
Cheapest Retailer
-
€5,887 EUR
$6,554 USD
A
Retailer 2
-
€6,193 EUR
$6,895 USD
View
A
Retailer 3
-
€6,310 EUR
£5,532 GBP
View
A
Retailer 4
-
€6,705 EUR
$7,465 USD
View
A
Retailer 5
-
€6,706 EUR
A$11,486 AUD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€6,756 EUR
$7,521 USD
View
A
Retailer 7
-
€6,809 EUR
$7,580 USD
View
B+
Retailer 8
-
€9,395 EUR
£8,236 GBP
View
Most Expensive
B
NZ Jewellers
984f1d09-a5b6-4647-8c0e-b339513c0872 · Oct 27
€11,214 EUR
$12,485 USD
View
8 more retailers have this diamond
Prices start from €5,887 EURSave up to €5,327 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
€5,887 EUR