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Heart|Natural|GIA

0.33ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6561229495

Certificate GIA 6561229495

Diamond specifications and retailer prices

From £213 GBP
SGD 386 SGD
As of November 1, 2026
Save £104 GBP (33%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £318 GBP at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 0.33ct natural heart diamond

This 0.33ct 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 6561229495. Listed at 5 retailers as of October 27, 2026, with prices from £213 to £318, a £104 spread on the same certified stone. Wholesale Diamonds Direct lists it at £318. 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

0.33
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.36°
Pavilion angle39.37°
OriginNatural
Grading LabGIA
CertificateGIA 6561229495
Dimensions4.18 × 4.79 × 2.81 mm
L/W Ratio1.15
Culet sizeNone
Top View
4.18 mm4.79 mm0.33 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561229495
Side View
Table 57.0%Crown 37.36°Girdle: THN-VTKPavilion 39.37°Culet: NoneDepth 58.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £276 GBP|Low: £213 GBP|High: £340 GBP|Avg: £275 GBP|-6.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Wholesale Diamonds Direct
October 28, 2026
Retailer 4£213 GBP
Retailer 3£228 GBP
Retailer 2£273 GBP
Retailer 1£276 GBP
Wholesale Diamonds Direct£318 GBP

18 data points across 5 retailers

5 retailers£213 GBP to £318 GBP

A
Cheapest Retailer
-
£213 GBP
SGD 386 SGD
A
Retailer 2
-
£228 GBP
SGD 413 SGD
View
B+
Retailer 3
-
£273 GBP
View
B+
Retailer 4
-
£276 GBP
$370 USD
View
Most Expensive
B
Wholesale Diamonds Direct
320430690 · Oct 27
£318 GBP
$426 USD
View
4 more retailers have this diamond
Prices start from £213 GBPSave up to £104 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.

A
0.33ct Heart
£213 GBP