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Heart|Natural|GIA

2.29ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 5426755134

Certificate GIA 5426755134

Diamond specifications and retailer prices

From £9,954 GBP
As of November 6, 2026
Save £8,442 GBP (46%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £18,397 GBP at Adiamor · As of November 5, 2026
View at Adiamor

About this 2.29ct natural heart diamond

This 2.29ct natural heart sits in the two to three carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5426755134. Listed at 17 retailers as of November 5, 2026, with prices from £9,954 to £18,397, a £8,442 spread on the same certified stone. Adiamor lists it at £18,397. 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

2.29
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5426755134
Dimensions8.31 × 8.55 × 5.13 mm
L/W Ratio1.03
Top View
8.31 mm8.55 mm2.29 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5426755134
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 60.0%

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 6
Current: £14,140 GBP|Low: £10,024 GBP|High: £18,524 GBP|Avg: £13,194 GBP|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5£10,144 GBP
Retailer 4£11,599 GBP
Retailer 2£12,228 GBP
Retailer 6£12,397 GBP
Retailer 7£12,936 GBP
Retailer 9£13,799 GBP
Retailer 8£14,014 GBP
Retailer 1£14,140 GBP
Retailer 3£18,254 GBP

38 data points across 9 retailers

17 retailers£9,954 GBP to £18,397 GBP

B+
Cheapest Retailer
-
£9,954 GBP
B+
Retailer 2
-
£10,144 GBP
View
Retailer 3
-
£11,324 GBP
View
Price last confirmed 26 days ago
B
Retailer 4
-
£11,599 GBP
View
B
Retailer 5
-
£11,858 GBP
View
B
Retailer 6
-
£12,228 GBP
View
B
Retailer 7
-
£12,397 GBP
View
Final sale: no returns
Retailer 8
-
£12,936 GBP
View
Price last confirmed 9 days ago
B
Retailer 9
-
£13,799 GBP
View
Retailer 10
-
£14,014 GBP
View
Price last confirmed 40 days ago
B
Retailer 11
-
£14,014 GBP
View
B
Retailer 12
-
£14,140 GBP
View
B
Retailer 13
-
£14,376 GBP
View
Retailer 14
-
£14,554 GBP
View
Price last confirmed 39 days ago
Retailer 15
-
£16,603 GBP
View
Price last confirmed 38 days ago
B
Retailer 16
-
£18,254 GBP
View
Most Expensive
B
Adiamor
D-64681705 · Nov 5
£18,397 GBP
$24,624 USD
View
16 more retailers have this diamond
Prices start from £9,954 GBPSave up to £8,442 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+
2.29ct Heart
£9,954 GBP