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Oval|Natural|GIA

1.51ct H SI2 Oval Natural Diamond

ID • H/SI2 • GIA 1548148688

Certificate GIA 1548148688

Diamond specifications and retailer prices

From €5,073 EUR
$5,668 USD
As of October 31, 2026
Save €6,514 EUR (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €11,587 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 1548148688. Listed at 18 retailers as of October 30, 2026, with prices from €5,073 to €11,587, a €6,514 spread on the same certified stone. NZ Jewellers lists it at €11,587. 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
Crown angle39.14°
Pavilion angle36.64°
OriginNatural
Grading LabGIA
CertificateGIA 1548148688
Dimensions9.13 × 6.40 × 3.82 mm
L/W Ratio1.43
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Feather, Cavity, Indented Natural
Top View
9.13 mm6.40 mm1.51 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1548148688
Side View
Table 59.0%Crown 39.14°Girdle: STK-VTKPavilion 36.64°Culet: NoneDepth 59.7%

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: Oct 31
Current: €11,587 EUR|Low: €5,022 EUR|High: €11,587 EUR|Avg: €7,032 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 2, 2026
Retailer 4€5,073 EUR
Retailer 13€5,473 EUR
Retailer 7€5,793 EUR
Retailer 12€5,793 EUR
Retailer 14€5,841 EUR
Retailer 5€6,276 EUR
Retailer 15€6,373 EUR
Retailer 3€6,394 EUR
Retailer 8€6,531 EUR
Retailer 11€6,983 EUR
Retailer 6€7,241 EUR
Retailer 2€7,568 EUR
Retailer 10€7,633 EUR
Retailer 9€9,655 EUR
NZ Jewellers€11,587 EUR

42 data points across 15 retailers

18 retailers€5,073 EUR to €11,587 EUR

B+
Cheapest Retailer
-
€5,073 EUR
$5,668 USD
B+
Retailer 2
-
€5,473 EUR
$6,115 USD
View
B+
Retailer 3
-
€5,793 EUR
$6,472 USD
View
B+
Retailer 4
-
€5,793 EUR
$6,472 USD
View
Final sale: no returns
B+
Retailer 5
-
€5,841 EUR
$6,526 USD
View
B+
Retailer 6
-
€6,276 EUR
$7,012 USD
View
B
Retailer 7
-
€6,373 EUR
$7,120 USD
View
B
Retailer 8
-
€6,394 EUR
$7,143 USD
View
B+
Retailer 9
-
€6,531 EUR
£5,746 GBP
View
B+
Retailer 10
-
€6,870 EUR
$7,675 USD
View
B+
Retailer 11
-
€6,955 EUR
$7,770 USD
View
B+
Retailer 12
-
€6,955 EUR
$7,770 USD
View
B+
Retailer 13
-
€6,983 EUR
$7,801 USD
View
B
Retailer 14
-
€7,188 EUR
$8,030 USD
View
B
Retailer 15
-
€7,241 EUR
$8,090 USD
View
B
Retailer 16
-
€7,568 EUR
View
B
Retailer 17
-
€9,655 EUR
£8,493 GBP
View
Most Expensive
B
NZ Jewellers
4d673faf-1ed0-41f7-8537-26c63027609b · Oct 30
€11,587 EUR
$12,945 USD
View
17 more retailers have this diamond
Prices start from €5,073 EURSave up to €6,514 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
€5,073 EUR