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Heart|Natural|GIA

0.85ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 2181138895

Certificate GIA 2181138895

Diamond specifications and retailer prices

From £1,007 GBP
As of November 6, 2026
Save £632 GBP (39%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,639 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.85ct natural heart diamond

This 0.85ct natural heart sits in the just-under-one-carat band, graded I 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 2181138895. Listed at 4 retailers as of November 4, 2026, with prices from £1,007 to £1,639, a £632 spread on the same certified stone. MOH London lists it at £1,639. 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

0.85
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2181138895
Dimensions5.71 × 4.97 × 3.63 mm
L/W Ratio1.15
Key to symbols
Crystal, Feather
Top View
5.71 mm4.97 mm0.85 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2181138895
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 73.0%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £1,639 GBP|Low: £969 GBP|High: £1,663 GBP|Avg: £1,261 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£1,007 GBP
Retailer 2£1,160 GBP
MOH London£1,639 GBP

41 data points across 3 retailers

4 retailers£1,007 GBP to £1,639 GBP

B+
Cheapest Retailer
-
£1,007 GBP
B
Retailer 2
-
£1,160 GBP
View
B
Retailer 3
-
£1,171 GBP
View
Most Expensive
B
MOH London
E0643CC72 · Nov 4
£1,639 GBP
View
3 more retailers have this diamond
Prices start from £1,007 GBPSave up to £632 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+
0.85ct Heart
£1,007 GBP