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Heart|Natural|GIA

2.51ct J SI2 Heart Natural Diamond

ID • J/SI2 • GIA 1539778374

Certificate GIA 1539778374

Diamond specifications and retailer prices

From £7,407 GBP
As of November 4, 2026
Save £775 GBP (9%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £11,415 GBP at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 2.51ct natural heart diamond

This 2.51ct natural heart sits in the two to three carat band, graded J 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 1539778374. Listed at 12 retailers as of November 4, 2026, with a relatively tight 10% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

2.51
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1539778374
Dimensions9.20 × 8.32 × 5.64 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Needle, Indented Natural
Top View
9.20 mm8.32 mm2.51 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1539778374
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.3%

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: Nov 4
Current: £11,415 GBP|Low: £6,129 GBP|High: £12,063 GBP|Avg: £8,122 GBP|-5.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 9, 2026
Retailer 16£6,129 GBP
Retailer 11£6,413 GBP
Retailer 8£6,776 GBP
Retailer 7£6,929 GBP
Retailer 5£7,247 GBP
Retailer 6£7,407 GBP
Retailer 15£7,560 GBP
Retailer 10£7,631 GBP
Retailer 9£8,182 GBP
Retailer 3£8,190 GBP
Retailer 2£8,201 GBP
Retailer 14£8,316 GBP
Retailer 17£8,380 GBP
Retailer 12£8,554 GBP
Retailer 4£9,449 GBP
Retailer 13£10,796 GBP
NZ Jewellers£11,415 GBP

18 data points across 17 retailers

12 retailers£7,407 GBP to £8,182 GBP

Retailer 1
-
£6,129 GBP
Price last confirmed 29 days ago
Retailer 2
-
£6,776 GBP
View
Price last confirmed 29 days ago
Retailer 3
-
£7,247 GBP
View
Price last confirmed 29 days ago
A
Retailer 4
-
£7,407 GBP
View
Retailer 5
-
£7,560 GBP
View
Price last confirmed 29 days ago
B+
Retailer 6
-
£8,182 GBP
View
Retailer 7
-
£8,190 GBP
View
Price last confirmed 29 days ago
Retailer 8
-
£8,316 GBP
View
Price last confirmed 36 days ago
Retailer 9
-
£8,380 GBP
View
Price last confirmed 28 days ago
Retailer 10
-
£9,449 GBP
View
Price last confirmed 38 days ago
Retailer 11
-
£10,796 GBP
View
Price last confirmed 29 days ago
Most Expensive
NZ Jewellers
f259cb77-0912-443c-8cb3-ebe9ee0f0ec2 · Sep 30
£11,415 GBP
$15,279 USD
View
Price last confirmed 37 days ago
11 more retailers have this diamond
Prices start from £7,407 GBPSave up to £775 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
2.51ct Heart
£7,407 GBP