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Asscher|Natural|GIA

1.20ct I SI1 Asscher Natural Diamond

ID • I/SI1 • GIA 25

Certificate GIA 25

Diamond specifications and retailer prices

From $3,526 AUD
$2,471 USD
As of October 31, 2026
Save $970 AUD (22%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,496 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.2ct natural asscher diamond

This 1.2ct natural asscher sits in the classic one-carat band, graded I 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 $3,526 to $4,496, a $970 spread on the same certified stone. Blue Nile lists it at $4,496. 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

1.20
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 25
Dimensions5.88 × 5.78 × 3.91 mm
L/W Ratio1.02
Top View
5.88 mm5.78 mm1.20 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 25
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.7%

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: Oct 31
Current: $4,496 AUD|Low: $3,526 AUD|High: $4,496 AUD|Avg: $3,822 AUD
Blue Nile
Retailer 2
Retailer 3
September 23, 2026
Retailer 3$3,526 AUD
Retailer 2$3,616 AUD
Blue Nile$4,496 AUD

3 data points across 3 retailers

3 retailers$3,526 AUD to $4,496 AUD

B+
Cheapest Retailer
-
$3,526 AUD
$2,471 USD
B+
Retailer 2
-
$3,616 AUD
$2,534 USD
View
Most Expensive
B
Blue Nile
23722251 · Oct 31
$4,496 AUD
$3,151 USD
View
2 more retailers have this diamond
Prices start from $3,526 AUDSave up to $970 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+
1.20ct Asscher
$3,526 AUD