CaratHunter
Plans
Heart|Natural|GIA

1.20ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 2225414133

Certificate GIA 2225414133

Diamond specifications and retailer prices

From £1,673 GBP
As of November 6, 2026
Save £851 GBP (34%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,524 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded I 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 2225414133. Listed at 5 retailers as of November 6, 2026, with prices from £1,673 to £2,524, a £851 spread on the same certified stone. 77 Diamonds lists it at £2,524. 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

1.20
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2225414133
Dimensions6.19 × 7.10 × 4.37 mm
L/W Ratio1.15
Top View
6.19 mm7.10 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2225414133
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,524 GBP|Low: £1,673 GBP|High: £3,033 GBP|Avg: £2,104 GBP|-7.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3£1,673 GBP
Retailer 4£1,717 GBP
Retailer 5£1,726 GBP
Retailer 2£1,801 GBP
77 Diamonds£2,524 GBP
Retailer 6£3,033 GBP

36 data points across 6 retailers

5 retailers£1,673 GBP to £2,524 GBP

B+
Cheapest Retailer
-
£1,673 GBP
B+
Retailer 2
-
£1,717 GBP
View
B+
Retailer 3
-
£1,726 GBP
View
B+
Retailer 4
-
£1,801 GBP
View
Most Expensive
B
77 Diamonds
HSMBXVUWAZHP · Nov 6
£2,524 GBP
View
4 more retailers have this diamond
Prices start from £1,673 GBPSave up to £851 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+
1.20ct Heart
£1,673 GBP