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Heart|Natural|GIA

1.55ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 1543310404

Certificate GIA 1543310404

Diamond specifications and retailer prices

From £2,136 GBP
$2,867 USD
As of October 31, 2026
Save £1,026 GBP (32%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,162 GBP at GemTrove · As of November 2, 2026
View at GemTrove

About this 1.55ct natural heart diamond

This 1.55ct natural heart sits in the one-and-a-half to two 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 1543310404. Listed at 6 retailers as of October 31, 2026, with prices from £2,136 to £3,162, a £1,026 spread on the same certified stone. GemTrove lists it at £3,162. 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

1.55
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543310404
Dimensions7.34 × 8.03 × 4.77 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cloud, Crystal
Top View
7.34 mm8.03 mm1.55 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543310404
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 59.4%

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: £2,325 GBP|Low: £2,136 GBP|High: £2,824 GBP|Avg: £2,466 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3£2,136 GBP
Retailer 5£2,210 GBP
Retailer 2£2,307 GBP
Retailer 1£2,325 GBP
Retailer 4£2,515 GBP

46 data points across 5 retailers

6 retailers£2,136 GBP to £3,162 GBP

A
Cheapest Retailer
-
£2,136 GBP
$2,867 USD
A
Retailer 2
-
£2,210 GBP
MYR 12,083 MYR
View
A
Retailer 3
-
£2,307 GBP
View
A
Retailer 4
-
£2,325 GBP
₹297,133 INR
View
A
Retailer 5
-
£2,515 GBP
SGD 4,561 SGD
View
Most Expensive
B+
GemTrove
GT-N-01269890-98 · Nov 2
£3,162 GBP
A$6,528 AUD
View
5 more retailers have this diamond
Prices start from £2,136 GBPSave up to £1,026 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
1.55ct Heart
£2,136 GBP