Asscher|Natural|GIA

1.09ct E SI1 Asscher Natural Diamond

ID • E/SI1 • GIA 2

Certificate GIA 2

Diamond specifications and retailer prices

From $4,595 USD
As of October 31, 2026
Save $1,209 USD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,804 USD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.09ct natural asscher diamond

This 1.09ct natural asscher sits in the classic one-carat band, graded E colour (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 $4,595 to $5,804, a $1,209 spread on the same certified stone. Blue Nile lists it at $5,804. 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

1.09
Carat
E
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2
Dimensions5.67 × 5.64 × 3.79 mm
L/W Ratio1.01
Top View
5.67 mm5.64 mm1.09 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.1%

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: $5,804 USD|Low: $4,595 USD|High: $5,804 USD|Avg: $4,958 USD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$4,595 USD
Retailer 3$4,897 USD
Blue Nile$5,804 USD

2 data points across 3 retailers

3 retailers$4,595 USD to $5,804 USD

B+
Cheapest Retailer
-
$4,595 USD
B
Retailer 2
-
$4,897 USD
View
Most Expensive
B
Blue Nile
21517885 · Oct 31
$5,804 USD
View
2 more retailers have this diamond
Prices start from $4,595 USDSave up to $1,209 USD

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+
1.09ct Asscher
$4,595 USD