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Heart|Natural|GIA

1.29ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 2171545739

Certificate GIA 2171545739

Diamond specifications and retailer prices

From £2,757 GBP
$3,700 USD
As of November 1, 2026
Save £487 GBP (15%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £3,244 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.29ct natural heart diamond

This 1.29ct natural heart sits in the one-and-a-quarter to one-and-a-half 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 2171545739. Listed at 4 retailers as of November 1, 2026, with prices from £2,757 to £3,244, a £487 spread on the same certified stone. Reve Diamonds lists it at £3,244. 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

1.29
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2171545739
Dimensions6.97 × 8.55 × 3.34 mm
L/W Ratio1.23
Girdle conditionFaceted
Key to symbols
Feather, Crystal
Top View
6.97 mm8.55 mm1.29 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2171545739
Side View
Table 64.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth

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 1
Current: £3,206 GBP|Low: £2,757 GBP|High: £3,600 GBP|Avg: £3,123 GBP|+1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Reve Diamonds
November 2, 2026
Retailer 2£2,757 GBP
Retailer 6£2,811 GBP
Retailer 5£3,008 GBP
Retailer 1£3,206 GBP
Reve Diamonds£3,244 GBP
Retailer 3£3,268 GBP
Retailer 4£3,600 GBP

35 data points across 7 retailers

4 retailers£2,757 GBP to £3,244 GBP

B+
Cheapest Retailer
-
£2,757 GBP
$3,700 USD
B+
Retailer 2
-
£2,811 GBP
€3,593 EUR
View
B
Retailer 3
-
£3,206 GBP
View
Most Expensive
B
Reve Diamonds
81D58A939 · Nov 1
£3,244 GBP
$4,353 USD
View
3 more retailers have this diamond
Prices start from £2,757 GBPSave up to £487 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+
1.29ct Heart
£2,757 GBP