Heart|Natural|GIA

0.30ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 7566743299

Certificate GIA 7566743299

Diamond specifications and retailer prices

From $378 USD
SGD 511 SGD
As of November 1, 2026
Save $128 USD (25%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $506 USD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 0.3ct natural heart diamond

This 0.3ct natural heart sits in the sub-half-carat band, graded H 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 7566743299. Listed at 5 retailers as of November 1, 2026, with prices from $378 to $506, a $128 spread on the same certified stone. 77 Diamonds lists it at $506. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.56°
Pavilion angle40.54°
OriginNatural
Grading LabGIA
CertificateGIA 7566743299
Dimensions3.99 × 4.69 × 2.79 mm
L/W Ratio1.18
Culet sizeNone
Top View
3.99 mm4.69 mm0.30 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7566743299
Side View
Table 58.0%Crown 35.56°Girdle: THN-THKPavilion 40.54°Culet: NoneDepth 59.6%

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: Nov 1
Current: $506 USD|Low: $378 USD|High: $506 USD|Avg: $455 USD|+0.3%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5$378 USD
Retailer 4$435 USD
Retailer 3$486 USD
Retailer 2$492 USD
77 Diamonds$506 USD

5 data points across 5 retailers

5 retailers$378 USD to $506 USD

B+
Cheapest Retailer
-
$378 USD
SGD 511 SGD
B
Retailer 2
-
$435 USD
View
B
Retailer 3
-
$486 USD
£383 GBP
View
B
Retailer 4
-
$492 USD
View
Most Expensive
B
77 Diamonds
HSPUIFSFTPVVABC · Nov 2
$506 USD
£398 GBP
View
4 more retailers have this diamond
Prices start from $378 USDSave up to $128 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
$378 USD