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0.18ct D I1 Round Natural Diamond

EX • D/I1 • GIA 1489242678

Certificate GIA 1489242678

Diamond specifications and retailer prices

From $122 USD
₹11,588 INR
As of October 31, 2026
Save $223 USD (65%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $345 USD 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 1489242678. Listed at 4 retailers as of October 31, 2026, with prices from $122 to $345, a $223 spread on the same certified stone. B2C Jewels lists it at $345. 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
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1489242678
Dimensions3.59 × 3.62 × 2.26 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
3.59 mm3.62 mm0.18 ctD / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1489242678
Side View
Table 57.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.8%

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: Oct 31
Current: $345 USD|Low: $121 USD|High: $345 USD|Avg: $211 USD|+0.6%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 2$122 USD
Retailer 5$179 USD
Retailer 3$195 USD
Retailer 4$202 USD
B2C Jewels$345 USD

44 data points across 5 retailers

4 retailers$122 USD to $345 USD

A
Cheapest Retailer
-
$122 USD
₹11,588 INR
B+
Retailer 2
-
$195 USD
View
B+
Retailer 3
-
$202 USD
View
Most Expensive
B
B2C Jewels
22131629 · Oct 31
$345 USD
View
3 more retailers have this diamond
Prices start from $122 USDSave up to $223 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.

A
0.18ct Round
$122 USD