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Heart|Natural|GIA

0.90ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 2537509021

Certificate GIA 2537509021

Diamond specifications and retailer prices

From £1,016 GBP
$1,361 USD
As of October 28, 2026
Save £1,811 GBP (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,826 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2537509021. Listed at 16 retailers as of October 28, 2026, with prices from £1,016 to £2,826, a £1,811 spread on the same certified stone. NZ Jewellers lists it at £2,826. 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

0.90
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.24°
Pavilion angle39.58°
OriginNatural
Grading LabGIA
CertificateGIA 2537509021
Dimensions6.08 × 6.50 × 3.66 mm
L/W Ratio1.07
Top View
6.08 mm6.50 mm0.90 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537509021
Side View
Table 59.0%Crown 35.24°Girdle: VTK-ETKPavilion 39.58°Culet: NoneDepth 56.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £2,826 GBP|Low: £1,016 GBP|High: £2,826 GBP|Avg: £1,509 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 15£1,016 GBP
Retailer 14£1,069 GBP
Retailer 3£1,074 GBP
Retailer 10£1,075 GBP
Retailer 9£1,158 GBP
Retailer 12£1,158 GBP
Retailer 11£1,212 GBP
Retailer 8£1,298 GBP
Retailer 4£1,422 GBP
Retailer 13£1,580 GBP
Retailer 7£1,597 GBP
Retailer 5£1,788 GBP
Retailer 6£2,147 GBP
Retailer 2£2,236 GBP
NZ Jewellers£2,826 GBP

31 data points across 15 retailers

16 retailers£1,016 GBP to £2,826 GBP

A
Cheapest Retailer
-
£1,016 GBP
$1,361 USD
A
Retailer 2
-
£1,069 GBP
$1,433 USD
View
Final sale: no returns
A
Retailer 3
-
£1,074 GBP
$1,439 USD
View
A
Retailer 4
-
£1,075 GBP
$1,440 USD
View
A
Retailer 5
-
£1,158 GBP
$1,552 USD
View
B+
Retailer 6
-
£1,158 GBP
$1,552 USD
View
B+
Retailer 7
-
£1,212 GBP
$1,624 USD
View
B+
Retailer 8
-
£1,298 GBP
View
B+
Retailer 9
-
£1,412 GBP
$1,892 USD
View
B+
Retailer 10
-
£1,422 GBP
$1,905 USD
View
B+
Retailer 11
-
£1,580 GBP
€2,016 EUR
View
Retailer 12
-
£1,597 GBP
A$3,291 AUD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
£1,788 GBP
ZAR 38,701 ZAR
View
B
Retailer 14
-
£2,147 GBP
View
B
Retailer 15
-
£2,236 GBP
View
Most Expensive
B
NZ Jewellers
3d32a77e-4bb2-43a1-b062-5ec33f9ee676 · Oct 30
£2,826 GBP
$3,787 USD
View
15 more retailers have this diamond
Prices start from £1,016 GBPSave up to £1,811 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
0.90ct Heart
£1,016 GBP