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Heart|Natural|GIA

0.61ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 6532850139

Certificate GIA 6532850139

Diamond specifications and retailer prices

From £297 GBP
$399 USD
As of November 2, 2026
Save £95 GBP (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £392 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 0.61ct natural heart diamond

This 0.61ct natural heart sits in the half to three-quarter carat band, graded G 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 6532850139. Listed at 4 retailers as of October 31, 2026, with prices from £297 to £392, a £95 spread on the same certified stone. Blue Nile lists it at £392. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6532850139
Dimensions5.36 × 5.90 × 3.51 mm
L/W Ratio1.10
Top View
5.36 mm5.90 mm0.61 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6532850139
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £392 GBP|Low: £290 GBP|High: £475 GBP|Avg: £369 GBP|-17.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3£297 GBP
Retailer 4£324 GBP
Retailer 2£371 GBP
Blue Nile£392 GBP

40 data points across 4 retailers

4 retailers£297 GBP to £392 GBP

A
Cheapest Retailer
-
£297 GBP
$399 USD
Final sale: no returns
A
Retailer 2
-
£324 GBP
SGD 587 SGD
View
A
Retailer 3
-
£371 GBP
View
Most Expensive
A
Blue Nile
27121608 · Oct 31
£392 GBP
$526 USD
View
3 more retailers have this diamond
Prices start from £297 GBPSave up to £95 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
£297 GBP