Round|Natural|GIA

0.30ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6551530155

Certificate GIA 6551530155

Diamond specifications and retailer prices

From $450 SGD
A$541 AUD
As of October 27, 2026
17 retailers carry this diamond
Most expensive: $1,551 SGD at NZ Jewellers · As of October 17, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551530155. Listed at 17 retailers as of October 27, 2026. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6551530155
Dimensions4.32 × 4.34 × 2.61 mm
L/W Ratio1.00
Top View
4.32 mm4.34 mm0.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551530155
Side View
Table 62.0%Crown 33°Girdle: Slightly ThickPavilion 41.4°Culet: NDepth 60.4%

Caratlytics Score

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A
Excellent
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Price History

Last verified: Oct 27
Current: $450 SGD|Low: $284 SGD|High: $995 SGD|Avg: $590 SGD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 27, 2026
Retailer 11$284 SGD
Retailer 10$337 SGD
Retailer 9$344 SGD
Retailer 2$430 SGD
Retailer 1$450 SGD
Retailer 13$571 SGD
Retailer 3$641 SGD
Retailer 8$664 SGD
Retailer 6$667 SGD
Retailer 5$679 SGD
Retailer 7$687 SGD
Retailer 12$823 SGD
Retailer 4$987 SGD

27 data points across 13 retailers

17 retailers

Retailer 1
-
$284 SGD
₹21,156 INR
Price last confirmed 14 days ago
Retailer 2
-
$337 SGD
$264 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$344 SGD
HK$2,100 HKD
View
Price last confirmed 9 days ago
Retailer 4
-
$405 SGD
$317 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$430 SGD
View
Price last confirmed 14 days ago
Retailer 6
-
$446 SGD
$349 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$450 SGD
A$541 AUD
View
Retailer 8
-
$462 SGD
$361 USD
View
Price last confirmed 18 days ago
Retailer 9
-
$545 SGD
$426 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$571 SGD
$447 USD
View
Price last confirmed 14 days ago
Retailer 11
-
$641 SGD
ZAR 8,101 ZAR
View
Price last confirmed 17 days ago
Retailer 12
-
$664 SGD
$520 USD
View
Price last confirmed 7 days ago
Retailer 13
-
$667 SGD
€497 EUR
View
Price last confirmed 7 days ago
Retailer 14
-
$679 SGD
A$817 AUD
View
Price last confirmed 28 days ago
Retailer 15
-
$687 SGD
£423 GBP
View
Price last confirmed 8 days ago
Retailer 16
-
$987 SGD
£608 GBP
View
Price last confirmed 25 days ago
Most Expensive
NZ Jewellers
f4419253-63f0-4fa8-9574-d833836e1536 · Oct 17
$1,551 SGD
$1,213 USD
View
Price under review
16 more retailers have this diamond
Prices start from $450 SGD

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
$450 SGD