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Heart|Natural|GIA

1.30ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 1555637575

Certificate GIA 1555637575

Diamond specifications and retailer prices

From £1,771 GBP
$2,377 USD
As of October 31, 2026
Save £373 GBP (17%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,145 GBP at GemTrove · As of November 2, 2026
View at GemTrove

About this 1.3ct natural heart diamond

This 1.3ct 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 1555637575. Listed at 5 retailers as of October 31, 2026, with prices from £1,771 to £2,145, a £373 spread on the same certified stone. GemTrove lists it at £2,145. 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

1.30
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555637575
Dimensions6.95 × 7.54 × 4.34 mm
L/W Ratio1.08
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural, Needle
Top View
6.95 mm7.54 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555637575
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 57.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £2,145 GBP|Low: £1,589 GBP|High: £2,236 GBP|Avg: £1,980 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4£1,771 GBP
Retailer 3£1,794 GBP
Retailer 2£1,923 GBP
Retailer 5£2,038 GBP
GemTrove£2,145 GBP

41 data points across 5 retailers

5 retailers£1,771 GBP to £2,145 GBP

A
Cheapest Retailer
-
£1,771 GBP
$2,377 USD
A
Retailer 2
-
£1,794 GBP
$2,407 USD
View
Final sale: no returns
A
Retailer 3
-
£1,923 GBP
View
A
Retailer 4
-
£2,038 GBP
SGD 3,695 SGD
View
Most Expensive
B+
GemTrove
GT-N-01269205-98 · Nov 2
£2,145 GBP
A$4,428 AUD
View
4 more retailers have this diamond
Prices start from £1,771 GBPSave up to £373 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.

A
1.30ct Heart
£1,771 GBP