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Heart|Natural|GIA

2.03ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 18

Certificate GIA 18

Diamond specifications and retailer prices

From £11,733 GBP
As of November 6, 2026
Save £2,661 GBP (18%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £14,394 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 2.03ct natural heart diamond

This 2.03ct natural heart sits in the two to three 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. Listed at 3 retailers as of November 5, 2026, with prices from £11,733 to £14,394, a £2,661 spread on the same certified stone. Blue Nile lists it at £14,394. 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

2.03
Carat
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 18
Dimensions8.27 × 8.83 × 4.81 mm
L/W Ratio1.07
Top View
8.27 mm8.83 mm2.03 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 18
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 54.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £14,394 GBP|Low: £11,605 GBP|High: £14,394 GBP|Avg: £12,702 GBP
Blue Nile
Retailer 2
Retailer 3
September 23, 2026
Retailer 2£11,733 GBP
Retailer 3£12,648 GBP
Blue Nile£14,394 GBP

4 data points across 3 retailers

3 retailers£11,733 GBP to £14,394 GBP

B
Cheapest Retailer
-
£11,733 GBP
B
Retailer 2
-
£12,648 GBP
View
Most Expensive
B
Blue Nile
16909674 · Nov 5
£14,394 GBP
$19,266 USD
View
2 more retailers have this diamond
Prices start from £11,733 GBPSave up to £2,661 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
2.03ct Heart
£11,733 GBP