Round|Natural|GIA

1.51ct H IF Round Natural Diamond

EX • H/IF • GIA 1242057320

Certificate GIA 1242057320

Diamond specifications and retailer prices

From €8,472 EUR
$9,465 USD
As of October 28, 2026
Save €4,654 EUR (35%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €13,126 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1242057320. Listed at 7 retailers as of October 28, 2026, with prices from €8,472 to €13,126, a €4,654 spread on the same certified stone. MOH London lists it at €13,126. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1242057320
Dimensions7.29 × 7.33 × 4.52 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.29 mm7.33 mm1.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242057320
Side View
Table 58.0%Crown 35°Girdle: Sli. ThickPavilion 40.8°Culet: NoneDepth 61.7%

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 28
Current: €13,126 EUR|Low: €8,472 EUR|High: €14,233 EUR|Avg: €10,279 EUR|-5.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6€8,472 EUR
Retailer 4€8,668 EUR
Retailer 3€9,058 EUR
Retailer 7€9,533 EUR
Retailer 5€10,027 EUR
Retailer 2€10,542 EUR
MOH London€13,126 EUR

41 data points across 7 retailers

7 retailers€8,472 EUR to €13,126 EUR

A
Cheapest Retailer
-
€8,472 EUR
$9,465 USD
A
Retailer 2
-
€8,668 EUR
$9,684 USD
View
B+
Retailer 3
-
€9,058 EUR
£7,968 GBP
View
Retailer 4
-
€9,533 EUR
A$16,384 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
€10,027 EUR
$11,202 USD
View
B+
Retailer 6
-
€10,542 EUR
View
Most Expensive
B
MOH London
87C91E364 · Nov 1
€13,126 EUR
£11,547 GBP
View
6 more retailers have this diamond
Prices start from €8,472 EURSave up to €4,654 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 Round
€8,472 EUR