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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 €3,032 EUR
$3,387 USD
As of October 31, 2026
Save €4,880 EUR (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €7,912 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 €3,032 to €7,912, a €4,880 spread on the same certified stone. MOH London lists it at €7,912. 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
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: Oct 31
Current: €7,912 EUR|Low: €3,032 EUR|High: €8,926 EUR|Avg: €5,366 EUR|-0.6%
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 1, 2026
Retailer 4€3,032 EUR
Retailer 17€3,263 EUR
Retailer 6€3,389 EUR
Retailer 12€3,689 EUR
Retailer 2€3,854 EUR
Retailer 10€3,952 EUR
Retailer 19€4,163 EUR
Retailer 18€4,193 EUR
Retailer 14€4,391 EUR
Retailer 16€4,595 EUR
Retailer 7€4,596 EUR
Retailer 3€4,846 EUR
Retailer 9€5,057 EUR
Retailer 5€5,685 EUR
Retailer 11€5,741 EUR
Retailer 13€5,917 EUR
Retailer 15€6,056 EUR
Retailer 8€7,499 EUR
MOH London€7,912 EUR

22 data points across 19 retailers

19 retailers€3,032 EUR to €7,912 EUR

A
Cheapest Retailer
-
€3,032 EUR
$3,387 USD
A
Retailer 2
-
€3,263 EUR
$3,645 USD
View
A
Retailer 3
-
€3,389 EUR
$3,786 USD
View
A
Retailer 4
-
€3,689 EUR
HK$32,200 HKD
View
A
Retailer 5
-
€3,854 EUR
$4,306 USD
View
Retailer 6
-
€3,952 EUR
$4,415 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
€4,163 EUR
$4,651 USD
View
A
Retailer 8
-
€4,193 EUR
$4,685 USD
View
Final sale: no returns
A
Retailer 9
-
€4,391 EUR
$4,905 USD
View
A
Retailer 10
-
€4,595 EUR
£4,043 GBP
View
A
Retailer 11
-
€4,596 EUR
SGD 6,939 SGD
View
A
Retailer 12
-
€4,846 EUR
$5,414 USD
View
A
Retailer 13
-
€5,057 EUR
$5,650 USD
View
B+
Retailer 14
-
€5,685 EUR
$6,351 USD
View
B+
Retailer 15
-
€5,917 EUR
$6,610 USD
View
B+
Retailer 16
-
€6,056 EUR
£5,328 GBP
View
B
Retailer 17
-
€7,499 EUR
$8,378 USD
View
Retailer 18
-
€7,576 EUR
$8,464 USD
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
651FA8153 · Oct 26
€7,912 EUR
£6,960 GBP
View
18 more retailers have this diamond
Prices start from €3,032 EURSave up to €4,880 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
€3,032 EUR