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Heart|Natural|GIA

0.90ct J SI1 Heart Natural Diamond

J/SI1 • GIA 6205641210

Certificate GIA 6205641210

Diamond specifications and retailer prices

From £1,613 GBP
$2,161 USD
As of October 31, 2026
Save £714 GBP (31%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,327 GBP at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 6205641210. Listed at 9 retailers as of October 31, 2026, with prices from £1,613 to £2,327, a £714 spread on the same certified stone. The Diamond Guys lists it at £2,327. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.90
Carat
J
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6205641210
Dimensions5.85 × 6.72 × 3.89 mm
L/W Ratio1.15
Top View
5.85 mm6.72 mm0.90 ctJ / SI1
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6205641210
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £2,003 GBP|Low: £1,613 GBP|High: £2,328 GBP|Avg: £2,039 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
September 26, 2026
Retailer 5£1,613 GBP
Retailer 11£1,655 GBP
Retailer 6£1,736 GBP
Retailer 4£1,877 GBP
Retailer 1£2,003 GBP
Retailer 10£2,011 GBP
Retailer 8£2,112 GBP
Retailer 9£2,112 GBP
Retailer 2£2,187 GBP
Retailer 3£2,258 GBP
Retailer 12£2,270 GBP
The Diamond Guys£2,327 GBP
Retailer 7£2,328 GBP

2 data points across 13 retailers

9 retailers£1,613 GBP to £2,327 GBP

B
Cheapest Retailer
-
£1,613 GBP
$2,161 USD
B
Retailer 2
-
£1,655 GBP
$2,217 USD
View
B
Retailer 3
-
£1,736 GBP
$2,326 USD
View
C
Retailer 4
-
£2,003 GBP
$2,684 USD
View
C
Retailer 5
-
£2,011 GBP
CA$3,742 CAD
View
C
Retailer 6
-
£2,112 GBP
$2,830 USD
View
C
Retailer 7
-
£2,112 GBP
$2,830 USD
View
C
Retailer 8
-
£2,187 GBP
$2,930 USD
View
Most Expensive
C
The Diamond Guys
1947489985 · Oct 31
£2,327 GBP
$3,118 USD
View
8 more retailers have this diamond
Prices start from £1,613 GBPSave up to £714 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
0.90ct Heart
£1,613 GBP