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Heart|Natural|GIA

0.61ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1538445124

Certificate GIA 1538445124

Diamond specifications and retailer prices

From £376 GBP
$505 USD
As of November 1, 2026
Save £805 GBP (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,181 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.61ct natural heart diamond

This 0.61ct natural heart sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1538445124. Listed at 13 retailers as of October 30, 2026, with prices from £376 to £1,181, a £805 spread on the same certified stone. NZ Jewellers lists it at £1,181. 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

0.61
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1538445124
Dimensions5.15 × 5.75 × 3.46 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
5.15 mm5.75 mm0.61 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1538445124
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.2%

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 1
Current: £417 GBP|Low: £405 GBP|High: £880 GBP|Avg: £524 GBP|-13.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8£405 GBP
Retailer 9£405 GBP
Retailer 1£417 GBP
Retailer 3£462 GBP
Retailer 4£471 GBP
Retailer 5£525 GBP
Retailer 6£562 GBP
Retailer 7£566 GBP
Retailer 2£870 GBP

40 data points across 9 retailers

13 retailers£376 GBP to £1,181 GBP

A
Cheapest Retailer
-
£376 GBP
$505 USD
A
Retailer 2
-
£405 GBP
$544 USD
View
A
Retailer 3
-
£405 GBP
$544 USD
View
A
Retailer 4
-
£417 GBP
$560 USD
View
B+
Retailer 5
-
£434 GBP
$583 USD
View
B+
Retailer 6
-
£462 GBP
View
B+
Retailer 7
-
£471 GBP
View
B+
Retailer 8
-
£475 GBP
$637 USD
View
B+
Retailer 9
-
£525 GBP
$705 USD
View
B+
Retailer 10
-
£562 GBP
ZAR 12,192 ZAR
View
Retailer 11
-
£566 GBP
A$1,169 AUD
View
Price last confirmed 30 days ago
B
Retailer 12
-
£870 GBP
View
Most Expensive
B
NZ Jewellers
29759d0a-5d14-494f-a846-6e0cc570b3aa · Oct 30
£1,181 GBP
$1,585 USD
View
12 more retailers have this diamond
Prices start from £376 GBPSave up to £805 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
0.61ct Heart
£376 GBP