CaratHunter
Plans
Oval|Natural|GIA

1.51ct H SI2 Oval Natural Diamond

ID • H/SI2 • GIA 1548148688

Certificate GIA 1548148688

Diamond specifications and retailer prices

From €5,053 EUR
$5,668 USD
As of November 2, 2026
Save €6,488 EUR (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €11,542 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 €5,053 to €11,542, a €6,488 spread on the same certified stone. NZ Jewellers lists it at €11,542. 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
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: Nov 2
Current: €11,542 EUR|Low: €5,003 EUR|High: €11,542 EUR|Avg: €7,005 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€5,053 EUR
Retailer 13€5,452 EUR
Retailer 7€5,770 EUR
Retailer 12€5,770 EUR
Retailer 14€5,818 EUR
Retailer 5€6,252 EUR
Retailer 15€6,348 EUR
Retailer 3€6,369 EUR
Retailer 8€6,506 EUR
Retailer 11€6,956 EUR
Retailer 6€7,213 EUR
Retailer 2€7,538 EUR
Retailer 10€7,603 EUR
Retailer 9€9,617 EUR
NZ Jewellers€11,542 EUR

42 data points across 15 retailers

18 retailers€5,053 EUR to €11,542 EUR

B+
Cheapest Retailer
-
€5,053 EUR
$5,668 USD
B+
Retailer 2
-
€5,452 EUR
$6,115 USD
View
B+
Retailer 3
-
€5,770 EUR
$6,472 USD
View
B+
Retailer 4
-
€5,770 EUR
$6,472 USD
View
Final sale: no returns
B+
Retailer 5
-
€5,818 EUR
$6,526 USD
View
B+
Retailer 6
-
€6,252 EUR
$7,012 USD
View
B
Retailer 7
-
€6,348 EUR
$7,120 USD
View
B
Retailer 8
-
€6,369 EUR
$7,143 USD
View
B+
Retailer 9
-
€6,506 EUR
£5,746 GBP
View
B+
Retailer 10
-
€6,843 EUR
$7,675 USD
View
B+
Retailer 11
-
€6,928 EUR
$7,770 USD
View
B+
Retailer 12
-
€6,928 EUR
$7,770 USD
View
B+
Retailer 13
-
€6,956 EUR
$7,801 USD
View
B
Retailer 14
-
€7,159 EUR
$8,030 USD
View
B
Retailer 15
-
€7,213 EUR
$8,090 USD
View
B
Retailer 16
-
€7,538 EUR
View
B
Retailer 17
-
€9,617 EUR
£8,493 GBP
View
Most Expensive
B
NZ Jewellers
4d673faf-1ed0-41f7-8537-26c63027609b · Oct 30
€11,542 EUR
$12,945 USD
View
17 more retailers have this diamond
Prices start from €5,053 EURSave up to €6,488 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
€5,053 EUR