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Round|Natural|GIA

0.30ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5553182525

Certificate GIA 5553182525

Diamond specifications and retailer prices

From $504 SGD
$394 USD
As of October 31, 2026
Save $876 SGD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,049 SGD at NZ Jewellers · As of October 20, 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 5553182525. Listed at 18 retailers as of October 27, 2026, with a 174% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5553182525
Dimensions4.27 × 2.67 × 2.67 mm
L/W Ratio1.60
Top View
4.27 mm2.67 mm0.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553182525
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $813 SGD|Low: $434 SGD|High: $1,380 SGD|Avg: $720 SGD|+9.6%
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
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 8$434 SGD
Retailer 2$504 SGD
Retailer 5$514 SGD
Retailer 6$565 SGD
Retailer 4$596 SGD
Retailer 13$614 SGD
Retailer 15$614 SGD
Retailer 3$637 SGD
Retailer 16$639 SGD
Retailer 7$644 SGD
Retailer 10$659 SGD
Retailer 1$813 SGD
Retailer 11$829 SGD
Retailer 9$1,082 SGD
Retailer 12$1,240 SGD
Retailer 14$1,380 SGD

25 data points across 16 retailers

18 retailers$504 SGD to $1,380 SGD

Retailer 1
-
$455 SGD
$356 USD
Price last confirmed 46 days ago
Retailer 2
-
$485 SGD
$379 USD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
$504 SGD
$394 USD
View
Retailer 4
-
$522 SGD
$408 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$541 SGD
$423 USD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
$592 SGD
$463 USD
View
B+
Retailer 7
-
$614 SGD
$480 USD
View
B+
Retailer 8
-
$614 SGD
$480 USD
View
B
Retailer 9
-
$637 SGD
$498 USD
View
B+
Retailer 10
-
$639 SGD
$500 USD
View
Retailer 11
-
$652 SGD
$510 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$659 SGD
£406 GBP
View
B
Retailer 13
-
$813 SGD
€606 EUR
View
B
Retailer 14
-
$829 SGD
ZAR 10,475 ZAR
View
B
Retailer 15
-
$1,082 SGD
£666 GBP
View
B
Retailer 16
-
$1,240 SGD
£764 GBP
View
B
Retailer 17
-
$1,380 SGD
£850 GBP
View
Most Expensive
NZ Jewellers
a6c58f02-6568-476a-82a9-414cc1868616 · Oct 20
$2,049 SGD
$1,603 USD
View
Price under review
17 more retailers have this diamond
Prices start from $504 SGDSave up to $876 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.

B+
0.30ct Round
$504 SGD