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Heart|Natural|GIA

1.01ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 2544526406

Certificate GIA 2544526406

Diamond specifications and retailer prices

From $3,374 SGD
As of November 6, 2026
Save $4,215 SGD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,590 SGD at NZ Jewellers · As of November 5, 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544526406. Listed at 24 retailers as of November 5, 2026, with prices from $3,374 to $7,590, a $4,215 spread on the same certified stone. NZ Jewellers lists it at $7,590. 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

1.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.36°
Pavilion angle38.72°
OriginNatural
Grading LabGIA
CertificateGIA 2544526406
Dimensions5.93 × 6.97 × 4.13 mm
L/W Ratio1.18
Top View
5.93 mm6.97 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544526406
Side View
Table 58.0%Crown 35.36°Girdle: STK-VTKPavilion 38.72°Culet: NoneDepth 59.2%

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 6
Current: $3,374 SGD|Low: $3,374 SGD|High: $7,363 SGD|Avg: $4,633 SGD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$3,374 SGD
Retailer 9$3,378 SGD
Retailer 7$3,869 SGD
Retailer 10$4,061 SGD
Retailer 3$4,225 SGD
Retailer 5$4,507 SGD
Retailer 4$4,709 SGD
Retailer 2$5,021 SGD
Retailer 6$5,317 SGD
Retailer 8$7,265 SGD

26 data points across 10 retailers

24 retailers$3,374 SGD to $7,590 SGD

B+
Cheapest Retailer
-
$3,374 SGD
B+
Retailer 2
-
$3,378 SGD
View
B+
Retailer 3
-
$3,719 SGD
View
B+
Retailer 4
-
$3,868 SGD
View
B+
Retailer 5
-
$3,869 SGD
View
B+
Retailer 6
-
$4,020 SGD
View
Final sale: no returns
B+
Retailer 7
-
$4,061 SGD
View
B+
Retailer 8
-
$4,204 SGD
View
B+
Retailer 9
-
$4,225 SGD
View
B
Retailer 10
-
$4,342 SGD
View
B
Retailer 11
-
$4,356 SGD
View
Retailer 12
-
$4,356 SGD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$4,507 SGD
View
B
Retailer 14
-
$4,524 SGD
View
B
Retailer 15
-
$4,541 SGD
View
B
Retailer 16
-
$4,657 SGD
View
Retailer 17
-
$4,670 SGD
View
Price last confirmed 33 days ago
B
Retailer 18
-
$4,709 SGD
View
B
Retailer 19
-
$4,800 SGD
View
B
Retailer 20
-
$5,026 SGD
View
B
Retailer 21
-
$5,317 SGD
View
B
Retailer 22
-
$6,549 SGD
View
B
Retailer 23
-
$7,265 SGD
View
Most Expensive
B
NZ Jewellers
6fe60668-5117-4398-a596-87e1ffacbab6 · Nov 5
$7,590 SGD
$5,922 USD
View
23 more retailers have this diamond
Prices start from $3,374 SGDSave up to $4,215 SGD

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+
1.01ct Heart
$3,374 SGD