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Princess|Natural|GIA

1.80ct D SI1 Princess Natural Diamond

GD • D/SI1 • GIA 3565638679

Certificate GIA 3565638679

Diamond specifications and retailer prices

From $11,318 AUD
SGD 10,744 SGD
As of November 1, 2026
Save $2,825 AUD (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $14,143 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.8ct natural princess diamond

This 1.8ct natural princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 3565638679. Listed at 4 retailers as of October 31, 2026, with prices from $11,318 to $14,143, a $2,825 spread on the same certified stone. Blue Nile lists it at $14,143. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.80
Carat
D
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3565638679
Dimensions6.56 × 6.40 × 4.80 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Needle
Top View
6.56 mm6.40 mm1.80 ctD / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 3565638679
Side View
Table 72.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 74.9%

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 1
Current: $14,143 AUD|Low: $11,318 AUD|High: $14,143 AUD|Avg: $12,625 AUD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$11,318 AUD
Retailer 4$12,165 AUD
Retailer 2$12,336 AUD
Blue Nile$14,143 AUD

10 data points across 4 retailers

4 retailers$11,318 AUD to $14,143 AUD

B+
Cheapest Retailer
-
$11,318 AUD
SGD 10,744 SGD
B
Retailer 2
-
$12,165 AUD
$8,545 USD
View
B
Retailer 3
-
$12,336 AUD
£6,823 GBP
View
Most Expensive
B
Blue Nile
30462377 · Oct 31
$14,143 AUD
$9,935 USD
View
3 more retailers have this diamond
Prices start from $11,318 AUDSave up to $2,825 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+
1.80ct Princess
$11,318 AUD