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1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6561487499

Certificate GIA 6561487499

Diamond specifications and retailer prices

From €3,020 EUR
$3,387 USD
As of November 2, 2026
Save €4,861 EUR (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €7,881 EUR at MOH London · As of October 26, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561487499. Listed at 19 retailers as of October 26, 2026, with prices from €3,020 to €7,881, a €4,861 spread on the same certified stone. MOH London lists it at €7,881. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561487499
Dimensions7.48 × 7.45 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
7.48 mm7.45 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561487499
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 59.9%

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: Nov 2
Current: €7,881 EUR|Low: €3,020 EUR|High: €8,891 EUR|Avg: €5,287 EUR|+1.6%
MOH London
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
Retailer 18
Retailer 19
November 2, 2026
Retailer 4€3,020 EUR
Retailer 18€3,250 EUR
Retailer 6€3,376 EUR
Retailer 17€3,675 EUR
Retailer 16€3,839 EUR
Retailer 10€3,936 EUR
Retailer 19€4,147 EUR
Retailer 14€4,221 EUR
Retailer 13€4,418 EUR
Retailer 7€4,578 EUR
Retailer 15€4,626 EUR
Retailer 3€4,827 EUR
Retailer 9€5,037 EUR
Retailer 5€5,662 EUR
Retailer 11€5,718 EUR
Retailer 12€5,956 EUR
Retailer 2€6,096 EUR
Retailer 8€7,470 EUR
MOH London€7,881 EUR

22 data points across 19 retailers

19 retailers€3,020 EUR to €7,881 EUR

A
Cheapest Retailer
-
€3,020 EUR
$3,387 USD
A
Retailer 2
-
€3,250 EUR
$3,645 USD
View
A
Retailer 3
-
€3,376 EUR
$3,786 USD
View
A
Retailer 4
-
€3,675 EUR
HK$32,200 HKD
View
A
Retailer 5
-
€3,839 EUR
$4,306 USD
View
Retailer 6
-
€3,936 EUR
$4,415 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
€4,147 EUR
$4,651 USD
View
A
Retailer 8
-
€4,221 EUR
$4,734 USD
View
Final sale: no returns
A
Retailer 9
-
€4,418 EUR
$4,955 USD
View
A
Retailer 10
-
€4,578 EUR
SGD 6,939 SGD
View
A
Retailer 11
-
€4,626 EUR
£4,086 GBP
View
A
Retailer 12
-
€4,827 EUR
$5,414 USD
View
A
Retailer 13
-
€5,037 EUR
$5,650 USD
View
B+
Retailer 14
-
€5,662 EUR
$6,351 USD
View
B+
Retailer 15
-
€5,956 EUR
$6,680 USD
View
B+
Retailer 16
-
€6,096 EUR
£5,384 GBP
View
B
Retailer 17
-
€7,470 EUR
$8,378 USD
View
Retailer 18
-
€7,547 EUR
$8,464 USD
View
Price last confirmed 14 days ago
Most Expensive
B
MOH London
651FA8153 · Oct 26
€7,881 EUR
£6,960 GBP
View
18 more retailers have this diamond
Prices start from €3,020 EURSave up to €4,861 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
€3,020 EUR