Round|Natural|GIA

0.30ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5566545493

Certificate GIA 5566545493

Diamond specifications and retailer prices

From $175 USD
₹16,619 INR
As of November 1, 2026
Save $955 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,129 USD at NZ Jewellers · As of October 29, 2026
View at NZ Jewellers

About this 0.3ct natural round diamond

This 0.3ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5566545493. Listed at 16 retailers as of October 29, 2026, with prices from $175 to $1,129, a $955 spread on the same certified stone. NZ Jewellers lists it at $1,129. 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

0.30
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 5566545493
Dimensions4.24 × 4.28 × 2.68 mm
L/W Ratio1.01
Top View
4.24 mm4.28 mm0.30 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566545493
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.9%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $1,129 USD|Low: $175 USD|High: $1,157 USD|Avg: $397 USD|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 2$175 USD
Retailer 8$218 USD
Retailer 15$248 USD
Retailer 5$269 USD
Retailer 6$270 USD
Retailer 4$275 USD
Retailer 3$279 USD
Retailer 7$325 USD
Retailer 16$334 USD
Retailer 10$378 USD
Retailer 13$385 USD
Retailer 9$427 USD
Retailer 14$451 USD
Retailer 11$511 USD
Retailer 12$573 USD
NZ Jewellers$1,129 USD

15 data points across 16 retailers

16 retailers$175 USD to $1,129 USD

A
Cheapest Retailer
-
$175 USD
₹16,619 INR
A
Retailer 2
-
$218 USD
HK$1,700 HKD
View
A
Retailer 3
-
$248 USD
View
A
Retailer 4
-
$269 USD
SGD 363 SGD
View
A
Retailer 5
-
$270 USD
View
A
Retailer 6
-
$275 USD
View
A
Retailer 7
-
$279 USD
View
A
Retailer 8
-
$325 USD
View
A
Retailer 9
-
$334 USD
View
B+
Retailer 10
-
$378 USD
View
B+
Retailer 11
-
$385 USD
£304 GBP
View
B+
Retailer 12
-
$427 USD
€407 EUR
View
B+
Retailer 13
-
$451 USD
View
B+
Retailer 14
-
$511 USD
£402 GBP
View
B
Retailer 15
-
$573 USD
£451 GBP
View
Most Expensive
B
NZ Jewellers
27eb256b-2989-49be-81b3-2e4910310656 · Oct 29
$1,129 USD
View
15 more retailers have this diamond
Prices start from $175 USDSave up to $955 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
0.30ct Round
$175 USD