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Heart|Natural|GIA

0.90ct J SI1 Heart Natural Diamond

GD • J/SI1 • GIA 2387401192

Certificate GIA 2387401192

Diamond specifications and retailer prices

From £578 GBP
$775 USD
As of November 2, 2026
Save £1,387 GBP (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,966 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2387401192. Listed at 18 retailers as of October 30, 2026, with prices from £578 to £1,966, a £1,387 spread on the same certified stone. NZ Jewellers lists it at £1,966. 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
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2387401192
Dimensions5.13 × 6.28 × 4.23 mm
L/W Ratio1.22
Top View
5.13 mm6.28 mm0.90 ctJ / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2387401192
Side View
Table 65.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 67.4%

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: £755 GBP|Low: £458 GBP|High: £1,222 GBP|Avg: £801 GBP|+6.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 10£578 GBP
Retailer 3£627 GBP
Retailer 2£651 GBP
Retailer 9£678 GBP
Retailer 11£683 GBP
Retailer 4£713 GBP
Retailer 8£750 GBP
Retailer 1£755 GBP
Retailer 6£918 GBP
Retailer 12£943 GBP
Retailer 7£1,150 GBP
Retailer 5£1,207 GBP

43 data points across 12 retailers

18 retailers£578 GBP to £1,966 GBP

B+
Cheapest Retailer
-
£578 GBP
$775 USD
Final sale: no returns
B+
Retailer 2
-
£627 GBP
$840 USD
View
B+
Retailer 3
-
£627 GBP
$840 USD
View
B+
Retailer 4
-
£651 GBP
SGD 1,178 SGD
View
B+
Retailer 5
-
£651 GBP
$872 USD
View
B+
Retailer 6
-
£678 GBP
$909 USD
View
B+
Retailer 7
-
£683 GBP
$915 USD
View
B+
Retailer 8
-
£713 GBP
$956 USD
View
B+
Retailer 9
-
£723 GBP
$969 USD
View
B+
Retailer 10
-
£726 GBP
$973 USD
View
B+
Retailer 11
-
£750 GBP
$1,005 USD
View
B+
Retailer 12
-
£755 GBP
View
B+
Retailer 13
-
£819 GBP
A$1,688 AUD
View
B+
Retailer 14
-
£918 GBP
ZAR 19,877 ZAR
View
Retailer 15
-
£943 GBP
A$1,943 AUD
View
Price last confirmed 28 days ago
B
Retailer 16
-
£1,150 GBP
View
B
Retailer 17
-
£1,207 GBP
View
Most Expensive
C
NZ Jewellers
d5d05d97-9d85-4581-b155-ca4e446b525c · Oct 30
£1,966 GBP
$2,634 USD
View
17 more retailers have this diamond
Prices start from £578 GBPSave up to £1,387 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
£578 GBP