Heart|Natural|GIA

1.00ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6531883704

Certificate GIA 6531883704

Diamond specifications and retailer prices

From $1,978 USD
As of November 4, 2026
Save $2,154 USD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,223 USD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded D 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 6531883704. Listed at 20 retailers as of November 4, 2026, with a 109% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.00
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531883704
Dimensions6.25 × 7.08 × 4.03 mm
L/W Ratio1.13
Top View
6.25 mm7.08 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531883704
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 56.9%

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 4
Current: $2,570 USD|Low: $1,978 USD|High: $4,635 USD|Avg: $2,848 USD|+0.0%
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
November 6, 2026
Retailer 13$1,978 USD
Retailer 2$2,039 USD
Retailer 8$2,060 USD
Retailer 12$2,198 USD
Retailer 5$2,348 USD
Retailer 3$2,490 USD
Retailer 10$2,490 USD
Retailer 1$2,570 USD
Retailer 11$2,570 USD
Retailer 4$2,796 USD
Retailer 6$2,886 USD
Retailer 7$4,132 USD
Retailer 9$4,635 USD

43 data points across 13 retailers

20 retailers$1,978 USD to $4,132 USD

A
Cheapest Retailer
-
$1,978 USD
Final sale: no returns
A
Retailer 2
-
$2,039 USD
View
A
Retailer 3
-
$2,060 USD
View
A
Retailer 4
-
$2,198 USD
View
Retailer 5
-
$2,248 USD
View
Price last confirmed 25 days ago
Retailer 6
-
$2,248 USD
View
Price last confirmed 27 days ago
Retailer 7
-
$2,263 USD
View
Price last confirmed 39 days ago
B+
Retailer 8
-
$2,348 USD
View
Retailer 9
-
$2,368 USD
View
Price last confirmed 36 days ago
B+
Retailer 10
-
$2,490 USD
View
B+
Retailer 11
-
$2,490 USD
View
B+
Retailer 12
-
$2,533 USD
View
B+
Retailer 13
-
$2,570 USD
View
B+
Retailer 14
-
$2,570 USD
View
Retailer 15
-
$2,612 USD
View
Price last confirmed 38 days ago
Retailer 16
-
$2,796 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
$2,886 USD
View
B
Retailer 18
-
$4,132 USD
View
Retailer 19
-
$4,635 USD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
c8d3a395-fa61-4640-87ca-584ed24e12d7 · Sep 28
$5,223 USD
View
Price last confirmed 39 days ago
19 more retailers have this diamond
Prices start from $1,978 USDSave up to $2,154 USD

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
1.00ct Heart
$1,978 USD