Heart|Natural|GIA

0.30ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 7561611508

Certificate GIA 7561611508

Diamond specifications and retailer prices

From £231 GBP
$310 USD
As of November 2, 2026
Save £96 GBP (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £327 GBP 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 7561611508. Listed at 6 retailers as of November 2, 2026, with prices from £231 to £327, a £96 spread on the same certified stone. 77 Diamonds lists it at £327. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle33.39°
Pavilion angle39.88°
OriginNatural
Grading LabGIA
CertificateGIA 7561611508
Dimensions4.06 × 4.60 × 2.75 mm
L/W Ratio1.13
Culet sizeNone
Top View
4.06 mm4.60 mm0.30 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7561611508
Side View
Table 58.0%Crown 33.39°Girdle: MED-VTKPavilion 39.88°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: £327 GBP|Low: £231 GBP|High: £327 GBP|Avg: £284 GBP
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3£231 GBP
Retailer 6£245 GBP
Retailer 4£288 GBP
Retailer 2£314 GBP
Retailer 5£318 GBP
77 Diamonds£327 GBP

3 data points across 6 retailers

6 retailers£231 GBP to £327 GBP

B+
Cheapest Retailer
-
£231 GBP
$310 USD
B+
Retailer 2
-
£245 GBP
SGD 444 SGD
View
B
Retailer 3
-
£288 GBP
$387 USD
View
B
Retailer 4
-
£314 GBP
View
B
Retailer 5
-
£318 GBP
$427 USD
View
Most Expensive
B
77 Diamonds
HSPUIFSXBJ85AMM · Nov 2
£327 GBP
View
5 more retailers have this diamond
Prices start from £231 GBPSave up to £96 GBP

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
£231 GBP