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Heart|Natural|GIA

0.81ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 2446131670

Certificate GIA 2446131670

Diamond specifications and retailer prices

From £937 GBP
$1,258 USD
As of November 2, 2026
Save £646 GBP (41%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,583 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-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 2446131670. Listed at 6 retailers as of November 2, 2026, with prices from £937 to £1,583, a £646 spread on the same certified stone. MOH London lists it at £1,583. 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

0.81
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2446131670
Dimensions5.66 × 6.59 × 3.72 mm
L/W Ratio1.16
Top View
5.66 mm6.59 mm0.81 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2446131670
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 56.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,583 GBP|Low: £923 GBP|High: £1,602 GBP|Avg: £1,139 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5£937 GBP
Retailer 2£986 GBP
Retailer 3£1,010 GBP
Retailer 4£1,131 GBP
Retailer 6£1,182 GBP
MOH London£1,583 GBP

43 data points across 6 retailers

6 retailers£937 GBP to £1,583 GBP

B+
Cheapest Retailer
-
£937 GBP
$1,258 USD
B+
Retailer 2
-
£986 GBP
View
B+
Retailer 3
-
£1,010 GBP
View
B+
Retailer 4
-
£1,100 GBP
$1,477 USD
View
Retailer 5
-
£1,131 GBP
A$2,334 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
02428AD63 · Nov 2
£1,583 GBP
View
5 more retailers have this diamond
Prices start from £937 GBPSave up to £646 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.

B+
0.81ct Heart
£937 GBP