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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6432628844

Certificate GIA 6432628844

Diamond specifications and retailer prices

From €3,594 EUR
$4,015 USD
As of November 1, 2026
Save €4,014 EUR (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €7,607 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6432628844. Listed at 16 retailers as of October 30, 2026, with prices from €3,594 to €7,607, a €4,014 spread on the same certified stone. NZ Jewellers lists it at €7,607. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6432628844
Dimensions7.34 × 7.30 × 4.58 mm
L/W Ratio1.01
Top View
7.34 mm7.30 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6432628844
Side View
Table 56.0%CrownGirdle: MED-SLIPavilionCulet: NoneDepth 62.5%

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 1
Current: €7,607 EUR|Low: €3,594 EUR|High: €8,027 EUR|Avg: €5,022 EUR|-5.2%
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
Retailer 16
Retailer 17
November 2, 2026
Retailer 4€3,594 EUR
Retailer 3€3,671 EUR
Retailer 5€3,803 EUR
Retailer 6€3,835 EUR
Retailer 8€4,064 EUR
Retailer 17€4,092 EUR
Retailer 14€4,120 EUR
Retailer 15€4,120 EUR
Retailer 16€4,120 EUR
Retailer 2€4,457 EUR
Retailer 13€4,755 EUR
Retailer 12€5,125 EUR
Retailer 7€5,296 EUR
Retailer 9€5,841 EUR
Retailer 10€5,885 EUR
Retailer 11€7,245 EUR
NZ Jewellers€7,607 EUR

25 data points across 17 retailers

16 retailers€3,594 EUR to €7,607 EUR

B+
Cheapest Retailer
-
€3,594 EUR
$4,015 USD
B+
Retailer 2
-
€3,671 EUR
$4,101 USD
View
B+
Retailer 3
-
€3,803 EUR
$4,249 USD
View
Final sale: no returns
B+
Retailer 4
-
€3,835 EUR
$4,285 USD
View
B+
Retailer 5
-
€4,064 EUR
$4,540 USD
View
B+
Retailer 6
-
€4,092 EUR
$4,571 USD
View
B+
Retailer 7
-
€4,120 EUR
$4,603 USD
View
B+
Retailer 8
-
€4,120 EUR
$4,603 USD
View
B+
Retailer 9
-
€4,120 EUR
$4,603 USD
View
B+
Retailer 10
-
€4,457 EUR
£3,920 GBP
View
B
Retailer 11
-
€4,755 EUR
$5,312 USD
View
B+
Retailer 12
-
€5,125 EUR
View
Retailer 13
-
€5,296 EUR
$5,917 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
€5,885 EUR
£5,177 GBP
View
B
Retailer 15
-
€7,245 EUR
£6,373 GBP
View
Most Expensive
B
NZ Jewellers
03625e64-819b-4461-92f3-69210ba19a8f · Oct 30
€7,607 EUR
$8,499 USD
View
15 more retailers have this diamond
Prices start from €3,594 EURSave up to €4,014 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 Round
€3,594 EUR