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Heart|Natural|GIA

0.30ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 1565556343

Certificate GIA 1565556343

Diamond specifications and retailer prices

From $369 USD
SGD 499 SGD
As of November 2, 2026
Save $177 USD (32%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $546 USD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 0.3ct natural heart diamond

This 0.3ct natural heart sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565556343. Listed at 7 retailers as of October 27, 2026, with prices from $369 to $546, a $177 spread on the same certified stone. Wholesale Diamonds Direct lists it at $546. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.99°
Pavilion angle41.32°
OriginNatural
Grading LabGIA
CertificateGIA 1565556343
Dimensions4.03 × 4.69 × 2.80 mm
L/W Ratio1.16
Culet sizeNone
Top View
4.03 mm4.69 mm0.30 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1565556343
Side View
Table 60.0%Crown 33.99°Girdle: MED-VTKPavilion 41.32°Culet: NoneDepth 59.7%

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: Nov 2
Current: $493 USD|Low: $369 USD|High: $546 USD|Avg: $465 USD|+5.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
November 2, 2026
Retailer 5$369 USD
Retailer 3$426 USD
Retailer 2$474 USD
Retailer 4$480 USD
Retailer 1$493 USD
Wholesale Diamonds Direct$546 USD

24 data points across 6 retailers

7 retailers$369 USD to $546 USD

B+
Cheapest Retailer
-
$369 USD
SGD 499 SGD
B
Retailer 2
-
$409 USD
SGD 553 SGD
View
B+
Retailer 3
-
$426 USD
View
B
Retailer 4
-
$474 USD
£373 GBP
View
B
Retailer 5
-
$480 USD
View
B
Retailer 6
-
$493 USD
£388 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
545794657 · Oct 27
$546 USD
View
6 more retailers have this diamond
Prices start from $369 USDSave up to $177 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+
0.30ct Heart
$369 USD