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Round|Natural|GIA

0.18ct D I1 Round Natural Diamond

EX • D/I1 • GIA 1549538473

Certificate GIA 1549538473

Diamond specifications and retailer prices

From $190 AUD
₹12,725 INR
As of November 1, 2026
Save $322 AUD (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $512 AUD at B2C Jewels · As of October 31, 2026
View at B2C Jewels

About this 0.18ct natural round diamond

This 0.18ct natural round sits in the sub-half-carat band, graded D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1549538473. Listed at 4 retailers as of October 31, 2026, with prices from $190 to $512, a $322 spread on the same certified stone. B2C Jewels lists it at $512. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.18
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1549538473
Dimensions3.64 × 3.65 × 2.27 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
3.64 mm3.65 mm0.18 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549538473
Side View
Table 57.0%Crown 36.5°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $512 AUD|Low: $190 AUD|High: $512 AUD|Avg: $333 AUD
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2$190 AUD
Retailer 3$303 AUD
Retailer 4$315 AUD
B2C Jewels$512 AUD

39 data points across 4 retailers

4 retailers$190 AUD to $512 AUD

A
Cheapest Retailer
-
$190 AUD
₹12,725 INR
B+
Retailer 2
-
$303 AUD
$213 USD
View
B+
Retailer 3
-
$315 AUD
$221 USD
View
Most Expensive
B
B2C Jewels
32400896 · Oct 31
$512 AUD
$360 USD
View
3 more retailers have this diamond
Prices start from $190 AUDSave up to $322 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.

A
0.18ct Round
$190 AUD