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Round|Natural|GIA

0.18ct D I1 Round Natural Diamond

EX • D/I1 • GIA 1489242678

Certificate GIA 1489242678

Diamond specifications and retailer prices

From $216 NZD
₹11,588 INR
As of October 31, 2026
Save $396 NZD (65%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $612 NZD 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 $216 to $612, a $396 spread on the same certified stone. B2C Jewels lists it at $612. 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
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: $612 NZD|Low: $215 NZD|High: $612 NZD|Avg: $374 NZD|+0.6%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 2$216 NZD
Retailer 5$318 NZD
Retailer 3$346 NZD
Retailer 4$358 NZD
B2C Jewels$612 NZD

42 data points across 5 retailers

4 retailers$216 NZD to $612 NZD

A
Cheapest Retailer
-
$216 NZD
₹11,588 INR
B+
Retailer 2
-
$346 NZD
$195 USD
View
B+
Retailer 3
-
$358 NZD
$202 USD
View
Most Expensive
B
B2C Jewels
22131629 · Oct 31
$612 NZD
$345 USD
View
3 more retailers have this diamond
Prices start from $216 NZDSave up to $396 NZD

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
$216 NZD