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Heart|Natural|GIA

0.90ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 7543962804

Certificate GIA 7543962804

Diamond specifications and retailer prices

From £640 GBP
HK$6,700 HKD
As of October 30, 2026
Save £1,465 GBP (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,105 GBP at NZ Jewellers · As of October 27, 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 H 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 7543962804. Listed at 18 retailers as of October 27, 2026, with prices from £640 to £2,105, a £1,465 spread on the same certified stone. NZ Jewellers lists it at £2,105. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7543962804
Dimensions5.86 × 6.73 × 3.90 mm
L/W Ratio1.15
Girdle conditionFaceted
Top View
5.86 mm6.73 mm0.90 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7543962804
Side View
Table 59.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 58.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £991 GBP|Low: £640 GBP|High: £1,682 GBP|Avg: £935 GBP|+3.3%
Retailer 1
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 29, 2026
Retailer 5£640 GBP
Retailer 10£650 GBP
Retailer 14£720 GBP
Retailer 13£768 GBP
Retailer 6£796 GBP
Retailer 4£800 GBP
Retailer 3£811 GBP
Retailer 12£830 GBP
Retailer 7£864 GBP
Retailer 2£896 GBP
Retailer 15£949 GBP
Retailer 1£991 GBP
Retailer 11£1,008 GBP
Retailer 9£1,590 GBP
Retailer 8£1,671 GBP

21 data points across 15 retailers

18 retailers£640 GBP to £2,105 GBP

A
Cheapest Retailer
-
£640 GBP
HK$6,700 HKD
A
Retailer 2
-
£650 GBP
₹82,908 INR
View
A
Retailer 3
-
£720 GBP
$965 USD
View
Retailer 4
-
£768 GBP
€980 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
£800 GBP
SGD 1,448 SGD
View
Retailer 6
-
£811 GBP
$1,086 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
£830 GBP
$1,112 USD
View
Retailer 8
-
£864 GBP
$1,157 USD
View
Price last confirmed 7 days ago
Retailer 9
-
£896 GBP
$1,201 USD
View
Price last confirmed 7 days ago
A
Retailer 10
-
£901 GBP
SGD 1,631 SGD
View
A
Retailer 11
-
£949 GBP
$1,272 USD
View
B+
Retailer 12
-
£991 GBP
View
B+
Retailer 13
-
£996 GBP
$1,334 USD
View
B+
Retailer 14
-
£1,008 GBP
View
B+
Retailer 15
-
£1,237 GBP
$1,657 USD
View
B
Retailer 16
-
£1,590 GBP
View
B
Retailer 17
-
£1,671 GBP
View
Most Expensive
B
NZ Jewellers
96e425fc-b425-4e2a-a862-4667372ef0b9 · Oct 27
£2,105 GBP
$2,821 USD
View
17 more retailers have this diamond
Prices start from £640 GBPSave up to £1,465 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
£640 GBP