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Asscher|Natural|GIA

1.80ct E SI1 Asscher Natural Diamond

ID • E/SI1 • GIA 4

Certificate GIA 4

Diamond specifications and retailer prices

From $16,280 SGD
$12,702 USD
As of October 29, 2026
Save $4,003 SGD (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $20,283 SGD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 1.8ct natural asscher diamond

This 1.8ct natural asscher sits in the one-and-a-half to two 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 29, 2026, with prices from $16,280 to $20,283, a $4,003 spread on the same certified stone. Blue Nile lists it at $20,283. 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

1.80
Carat
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 4
Dimensions6.76 × 6.76 × 4.52 mm
L/W Ratio1.00
Top View
6.76 mm6.76 mm1.80 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 4
Side View
Table 64.0%CrownGirdle: ThickPavilionCulet: NoneDepth 66.8%

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: Oct 29
Current: $20,283 SGD|Low: $16,094 SGD|High: $26,370 SGD|Avg: $20,216 SGD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 29, 2026
Retailer 3$16,280 SGD
Retailer 7$17,437 SGD
Retailer 2$19,855 SGD
Retailer 5$20,165 SGD
Blue Nile$20,283 SGD
Retailer 6$20,940 SGD
Retailer 4$26,370 SGD

3 data points across 7 retailers

3 retailers$16,280 SGD to $20,283 SGD

B+
Cheapest Retailer
-
$16,280 SGD
$12,702 USD
B
Retailer 2
-
$17,437 SGD
$13,605 USD
View
Most Expensive
B
Blue Nile
258510 · Oct 29
$20,283 SGD
$15,825 USD
View
2 more retailers have this diamond
Prices start from $16,280 SGDSave up to $4,003 SGD

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+
1.80ct Asscher
$16,280 SGD