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Heart|Natural|GIA

3.08ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 5241020544

Certificate GIA 5241020544

Diamond specifications and retailer prices

From £15,647 GBP
As of November 6, 2026
Save £3,294 GBP (17%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £18,941 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 3.08ct natural heart diamond

This 3.08ct natural heart sits in the three to five carat band, graded J 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 5241020544. Listed at 4 retailers as of November 6, 2026, with prices from £15,647 to £18,941, a £3,294 spread on the same certified stone. 77 Diamonds lists it at £18,941. 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

3.08
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5241020544
Dimensions8.96 × 10.15 × 5.53 mm
L/W Ratio1.13
Top View
8.96 mm10.15 mm3.08 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5241020544
Side View
Table 54.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 54.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £18,941 GBP|Low: £15,454 GBP|High: £19,322 GBP|Avg: £17,195 GBP|+0.5%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 2£15,647 GBP
Retailer 3£17,000 GBP
77 Diamonds£18,941 GBP

46 data points across 3 retailers

4 retailers£15,647 GBP to £18,941 GBP

B+
Cheapest Retailer
-
£15,647 GBP
B
Retailer 2
-
£16,554 GBP
View
B
Retailer 3
-
£17,000 GBP
View
Final sale: no returns
Most Expensive
B
77 Diamonds
HSCFAFCQRNSH · Nov 6
£18,941 GBP
View
3 more retailers have this diamond
Prices start from £15,647 GBPSave up to £3,294 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+
3.08ct Heart
£15,647 GBP