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Asscher|Natural|GIA

1.51ct J SI1 Asscher Natural Diamond

ID • J/SI1 • GIA 1

Certificate GIA 1

Diamond specifications and retailer prices

From $6,385 AUD
$4,485 USD
As of November 2, 2026
Save $1,651 AUD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,036 AUD 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 $6,385 to $8,036, a $1,651 spread on the same certified stone. Blue Nile lists it at $8,036. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $8,036 AUD|Low: $6,385 AUD|High: $8,036 AUD|Avg: $6,869 AUD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$6,385 AUD
Retailer 3$6,770 AUD
Blue Nile$8,036 AUD

2 data points across 3 retailers

3 retailers$6,385 AUD to $8,036 AUD

B+
Cheapest Retailer
-
$6,385 AUD
$4,485 USD
B+
Retailer 2
-
$6,770 AUD
$4,755 USD
View
Most Expensive
B
Blue Nile
29340101 · Oct 31
$8,036 AUD
$5,645 USD
View
2 more retailers have this diamond
Prices start from $6,385 AUDSave up to $1,651 AUD

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
$6,385 AUD