CaratHunter
Plans
Heart|Natural|GIA

0.31ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 6562548029

Certificate GIA 6562548029

Diamond specifications and retailer prices

From £239 GBP
SGD 434 SGD
As of November 2, 2026
Save £117 GBP (33%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £357 GBP at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 0.31ct natural heart diamond

This 0.31ct natural heart sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562548029. Listed at 7 retailers as of October 27, 2026, with prices from £239 to £357, a £117 spread on the same certified stone. Wholesale Diamonds Direct lists it at £357. 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

0.31
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.82°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6562548029
Dimensions4.07 × 4.68 × 2.74 mm
L/W Ratio1.15
Culet sizeNone
Top View
4.07 mm4.68 mm0.31 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6562548029
Side View
Table 59.0%Crown 33.82°Girdle: MED-VTKPavilion 40.6°Culet: NoneDepth 58.6%

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 2
Current: £320 GBP|Low: £239 GBP|High: £357 GBP|Avg: £303 GBP|+6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
November 2, 2026
Retailer 5£239 GBP
Retailer 3£282 GBP
Retailer 2£307 GBP
Retailer 4£311 GBP
Retailer 1£320 GBP
Wholesale Diamonds Direct£357 GBP

11 data points across 6 retailers

7 retailers£239 GBP to £357 GBP

A
Cheapest Retailer
-
£239 GBP
SGD 434 SGD
A
Retailer 2
-
£247 GBP
SGD 448 SGD
View
B+
Retailer 3
-
£282 GBP
$379 USD
View
B+
Retailer 4
-
£307 GBP
View
B
Retailer 5
-
£311 GBP
$417 USD
View
B
Retailer 6
-
£320 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
586323687 · Oct 27
£357 GBP
$479 USD
View
6 more retailers have this diamond
Prices start from £239 GBPSave up to £117 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
0.31ct Heart
£239 GBP