Asscher|Natural|GIA

1.51ct J SI1 Asscher Natural Diamond

ID • J/SI1 • GIA 1

Certificate GIA 1

Diamond specifications and retailer prices

From €3,999 EUR
$4,485 USD
As of November 2, 2026
Save €1,034 EUR (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €5,033 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.51ct natural asscher diamond

This 1.51ct natural asscher sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of October 31, 2026, with prices from €3,999 to €5,033, a €1,034 spread on the same certified stone. Blue Nile lists it at €5,033. 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
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1
Dimensions6.39 × 6.37 × 4.19 mm
L/W Ratio1.00
Top View
6.39 mm6.37 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1
Side View
Table 63.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €5,033 EUR|Low: €3,999 EUR|High: €5,033 EUR|Avg: €4,302 EUR
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2€3,999 EUR
Retailer 3€4,240 EUR
Blue Nile€5,033 EUR

2 data points across 3 retailers

3 retailers€3,999 EUR to €5,033 EUR

B+
Cheapest Retailer
-
€3,999 EUR
$4,485 USD
B+
Retailer 2
-
€4,240 EUR
$4,755 USD
View
Most Expensive
B
Blue Nile
29340101 · Oct 31
€5,033 EUR
$5,645 USD
View
2 more retailers have this diamond
Prices start from €3,999 EURSave up to €1,034 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 Asscher
€3,999 EUR