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Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

ID • I/SI1 • GIA 5556934240

Certificate GIA 5556934240

Diamond specifications and retailer prices

From $4,598 SGD
HK$28,100 HKD
As of November 1, 2026
Save $6,094 SGD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,693 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded I 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 5556934240. Listed at 20 retailers as of October 30, 2026, with prices from $4,598 to $10,693, a $6,094 spread on the same certified stone. NZ Jewellers lists it at $10,693. 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

1.50
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556934240
Dimensions7.17 × 7.69 × 4.70 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Cavity
Top View
7.17 mm7.69 mm1.50 ctI / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556934240
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.1%

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: Nov 1
Current: $10,693 SGD|Low: $4,549 SGD|High: $10,693 SGD|Avg: $6,537 SGD
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
Retailer 16
Retailer 17
November 2, 2026
Retailer 17$4,598 SGD
Retailer 14$4,919 SGD
Retailer 7$5,414 SGD
Retailer 12$5,628 SGD
Retailer 2$5,785 SGD
Retailer 8$5,847 SGD
Retailer 13$6,063 SGD
Retailer 3$6,138 SGD
Retailer 4$6,138 SGD
Retailer 6$6,138 SGD
Retailer 9$6,251 SGD
Retailer 11$6,289 SGD
Retailer 10$6,897 SGD
Retailer 5$7,081 SGD
Retailer 16$7,544 SGD
Retailer 15$9,776 SGD
NZ Jewellers$10,693 SGD

24 data points across 17 retailers

20 retailers$4,598 SGD to $10,693 SGD

A
Cheapest Retailer
-
$4,598 SGD
HK$28,100 HKD
A
Retailer 2
-
$4,919 SGD
₹366,456 INR
View
A
Retailer 3
-
$5,414 SGD
View
A
Retailer 4
-
$5,628 SGD
$4,402 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,629 SGD
$4,403 USD
View
B+
Retailer 6
-
$5,631 SGD
$4,405 USD
View
B+
Retailer 7
-
$5,785 SGD
£3,563 GBP
View
Retailer 8
-
$5,847 SGD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$6,063 SGD
£3,734 GBP
View
B+
Retailer 10
-
$6,138 SGD
$4,801 USD
View
B+
Retailer 11
-
$6,138 SGD
$4,801 USD
View
B+
Retailer 12
-
$6,138 SGD
$4,801 USD
View
Retailer 13
-
$6,226 SGD
A$7,493 AUD
View
Price last confirmed 23 days ago
B+
Retailer 14
-
$6,251 SGD
$4,890 USD
View
B+
Retailer 15
-
$6,289 SGD
$4,920 USD
View
B+
Retailer 16
-
$6,897 SGD
€5,138 EUR
View
B+
Retailer 17
-
$7,081 SGD
$5,539 USD
View
B
Retailer 18
-
$7,544 SGD
ZAR 95,334 ZAR
View
B
Retailer 19
-
$9,776 SGD
£6,021 GBP
View
Most Expensive
B
NZ Jewellers
bb6badf4-3045-4ab7-ba0e-cdeb5d73db84 · Oct 30
$10,693 SGD
$8,364 USD
View
19 more retailers have this diamond
Prices start from $4,598 SGDSave up to $6,094 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.

A
1.50ct Heart
$4,598 SGD