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Round|Natural|GIA

3.18ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2231568029

Certificate GIA 2231568029

Diamond specifications and retailer prices

From $32,525 USD
₹3,097,616 INR
As of October 27, 2026
Save $9,543 USD (23%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $42,068 USD at Yorxs · As of October 28, 2026
View at Yorxs

About this 3.18ct natural round diamond

This 3.18ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2231568029. Listed at 3 retailers as of October 27, 2026, with prices from $32,525 to $42,068, a $9,543 spread on the same certified stone. Yorxs lists it at $42,068. 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

3.18
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2231568029
Dimensions9.44 × 9.47 × 5.84 mm
L/W Ratio1.00
Star length60%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Top View
9.44 mm9.47 mm3.18 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231568029
Side View
Table 57.0%Crown 35.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $38,483 USD|Low: $32,366 USD|High: $42,068 USD|Avg: $37,509 USD|+0.9%
Retailer 1
Retailer 2
Yorxs
November 3, 2026
Retailer 2$32,525 USD
Retailer 1$38,483 USD
Yorxs$42,068 USD

45 data points across 3 retailers

3 retailers$32,525 USD to $42,068 USD

B+
Cheapest Retailer
-
$32,525 USD
₹3,097,616 INR
B
Retailer 2
-
$38,483 USD
£30,302 GBP
View
Most Expensive
B
Yorxs
LE-8029 · Oct 28
$42,068 USD
€40,065 EUR
View
2 more retailers have this diamond
Prices start from $32,525 USDSave up to $9,543 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.

B+
3.18ct Round
$32,525 USD