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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 $7,958 NZD
$4,485 USD
As of November 2, 2026
Save $2,058 NZD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $10,016 NZD 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 $7,958 to $10,016, a $2,058 spread on the same certified stone. Blue Nile lists it at $10,016. 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: $10,016 NZD|Low: $7,958 NZD|High: $10,016 NZD|Avg: $8,561 NZD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$7,958 NZD
Retailer 3$8,438 NZD
Blue Nile$10,016 NZD

2 data points across 3 retailers

3 retailers$7,958 NZD to $10,016 NZD

B+
Cheapest Retailer
-
$7,958 NZD
$4,485 USD
B+
Retailer 2
-
$8,438 NZD
$4,755 USD
View
Most Expensive
B
Blue Nile
29340101 · Oct 31
$10,016 NZD
$5,645 USD
View
2 more retailers have this diamond
Prices start from $7,958 NZDSave up to $2,058 NZD

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
$7,958 NZD