CaratHunter
Plans
Heart|Natural|GIA

1.55ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 2556188701

Certificate GIA 2556188701

Diamond specifications and retailer prices

From £2,465 GBP
$3,303 USD
As of October 31, 2026
Save £1,036 GBP (30%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,502 GBP at GemTrove · As of October 31, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556188701. Listed at 7 retailers as of October 31, 2026, with prices from £2,465 to £3,502, a £1,036 spread on the same certified stone. GemTrove lists it at £3,502. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2556188701
Dimensions7.00 × 8.18 × 4.83 mm
L/W Ratio1.17
Top View
7.00 mm8.18 mm1.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2556188701
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.0%

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: £2,571 GBP|Low: £2,269 GBP|High: £3,138 GBP|Avg: £2,732 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4£2,465 GBP
Retailer 3£2,509 GBP
Retailer 6£2,551 GBP
Retailer 1£2,571 GBP
Retailer 5£2,642 GBP
Retailer 2£2,659 GBP

45 data points across 6 retailers

7 retailers£2,465 GBP to £3,502 GBP

A
Cheapest Retailer
-
£2,465 GBP
$3,303 USD
A
Retailer 2
-
£2,509 GBP
$3,362 USD
View
Final sale: no returns
A
Retailer 3
-
£2,551 GBP
MYR 13,922 MYR
View
A
Retailer 4
-
£2,571 GBP
₹328,092 INR
View
A
Retailer 5
-
£2,642 GBP
SGD 4,783 SGD
View
A
Retailer 6
-
£2,659 GBP
View
Most Expensive
A
GemTrove
GT-N-01269895-98 · Oct 31
£3,502 GBP
A$7,218 AUD
View
6 more retailers have this diamond
Prices start from £2,465 GBPSave up to £1,036 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
£2,465 GBP