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Heart|Natural|GIA

1.01ct D SI1 Heart Natural Diamond

VG • D/SI1 • GIA 1528366661

Certificate GIA 1528366661

Diamond specifications and retailer prices

From £1,157 GBP
As of November 6, 2026
Save £1,428 GBP (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,397 GBP at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.01ct natural heart diamond

This 1.01ct natural heart sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1528366661. Listed at 19 retailers as of November 4, 2026, with a 123% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
D
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle42.2°
OriginNatural
Grading LabGIA
CertificateGIA 1528366661
Dimensions6.99 × 6.03 × 3.59 mm
L/W Ratio1.16
Girdle conditionFaceted
Top View
6.99 mm6.03 mm1.01 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1528366661
Side View
Table 56.0%CrownGirdle: MED-THKPavilion 42.2°Culet: NoneDepth 59.6%

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: Nov 6
Current: £1,363 GBP|Low: £1,138 GBP|High: £2,739 GBP|Avg: £1,597 GBP|-4.6%
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
Retailer 16
November 6, 2026
Retailer 4£1,157 GBP
Retailer 5£1,236 GBP
Retailer 15£1,298 GBP
Retailer 7£1,313 GBP
Retailer 6£1,315 GBP
Retailer 1£1,363 GBP
Retailer 14£1,381 GBP
Retailer 2£1,420 GBP
Retailer 8£1,435 GBP
Retailer 12£1,477 GBP
Retailer 9£1,606 GBP
Retailer 3£1,620 GBP
Retailer 10£1,658 GBP
Retailer 11£1,805 GBP
Retailer 16£2,405 GBP
Retailer 13£2,584 GBP

26 data points across 16 retailers

19 retailers£1,157 GBP to £2,584 GBP

A
Cheapest Retailer
-
£1,157 GBP
A
Retailer 2
-
£1,236 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,298 GBP
View
A
Retailer 4
-
£1,313 GBP
View
A
Retailer 5
-
£1,315 GBP
View
A
Retailer 6
-
£1,363 GBP
View
A
Retailer 7
-
£1,381 GBP
View
A
Retailer 8
-
£1,420 GBP
View
A
Retailer 9
-
£1,435 GBP
View
A
Retailer 10
-
£1,477 GBP
View
A
Retailer 11
-
£1,606 GBP
View
A
Retailer 12
-
£1,620 GBP
View
B+
Retailer 13
-
£1,658 GBP
View
B+
Retailer 14
-
£1,801 GBP
View
B+
Retailer 15
-
£1,805 GBP
View
Retailer 16
-
£1,938 GBP
View
Price last confirmed 32 days ago
B+
Retailer 17
-
£2,405 GBP
View
B
Retailer 18
-
£2,584 GBP
View
Most Expensive
NZ Jewellers
bc3e8b9b-f910-4fa8-9789-58d96dbad0a4 · Sep 25
£3,397 GBP
$4,547 USD
View
Price last confirmed 42 days ago
18 more retailers have this diamond
Prices start from £1,157 GBPSave up to £1,428 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
1.01ct Heart
£1,157 GBP