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Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

GD • G/SI1 • GIA 6431697483

Certificate GIA 6431697483

Diamond specifications and retailer prices

From $4,443 SGD
$3,474 USD
As of November 1, 2026
Save $5,267 SGD (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,709 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6431697483. Listed at 20 retailers as of October 30, 2026, with prices from $4,443 to $9,709, a $5,267 spread on the same certified stone. NZ Jewellers lists it at $9,709. 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

1.50
Carat
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle38.3°
Pavilion angle42.5°
OriginNatural
Grading LabGIA
CertificateGIA 6431697483
Dimensions7.76 × 6.52 × 3.98 mm
L/W Ratio1.19
Top View
7.76 mm6.52 mm1.50 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 6431697483
Side View
Table 54.0%Crown 38.3°Girdle: MED-ETKPavilion 42.5°Culet: 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: $9,709 SGD|Low: $4,272 SGD|High: $9,709 SGD|Avg: $5,806 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
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 8$4,443 SGD
Retailer 5$4,659 SGD
Retailer 20$4,821 SGD
Retailer 10$5,038 SGD
Retailer 17$5,049 SGD
Retailer 18$5,049 SGD
Retailer 19$5,049 SGD
Retailer 4$5,195 SGD
Retailer 2$5,251 SGD
Retailer 7$5,337 SGD
Retailer 3$5,653 SGD
Retailer 9$5,653 SGD
Retailer 13$5,701 SGD
Retailer 16$5,825 SGD
Retailer 12$5,845 SGD
Retailer 6$5,944 SGD
Retailer 11$6,304 SGD
Retailer 15$6,850 SGD
Retailer 14$8,876 SGD
NZ Jewellers$9,709 SGD

35 data points across 20 retailers

20 retailers$4,443 SGD to $9,709 SGD

A
Cheapest Retailer
-
$4,443 SGD
$3,474 USD
B+
Retailer 2
-
$4,659 SGD
$3,643 USD
View
Final sale: no returns
A
Retailer 3
-
$4,821 SGD
$3,770 USD
View
B+
Retailer 4
-
$5,038 SGD
$3,939 USD
View
B+
Retailer 5
-
$5,049 SGD
$3,948 USD
View
B+
Retailer 6
-
$5,049 SGD
$3,948 USD
View
B+
Retailer 7
-
$5,049 SGD
$3,948 USD
View
B+
Retailer 8
-
$5,195 SGD
$4,062 USD
View
A
Retailer 9
-
$5,251 SGD
£3,233 GBP
View
B+
Retailer 10
-
$5,337 SGD
$4,173 USD
View
B+
Retailer 11
-
$5,653 SGD
$4,420 USD
View
B+
Retailer 12
-
$5,653 SGD
$4,420 USD
View
B+
Retailer 13
-
$5,701 SGD
£3,510 GBP
View
B+
Retailer 14
-
$5,825 SGD
$4,555 USD
View
B+
Retailer 15
-
$5,845 SGD
$4,570 USD
View
Retailer 16
-
$5,944 SGD
A$7,151 AUD
View
Price last confirmed 24 days ago
Retailer 17
-
$6,304 SGD
$4,929 USD
View
Price last confirmed 10 days ago
B+
Retailer 18
-
$6,850 SGD
ZAR 86,532 ZAR
View
B
Retailer 19
-
$8,876 SGD
£5,465 GBP
View
Most Expensive
B
NZ Jewellers
7fe1b50c-cc24-4e3b-8177-a8777045fc8d · Oct 30
$9,709 SGD
$7,592 USD
View
19 more retailers have this diamond
Prices start from $4,443 SGDSave up to $5,267 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
$4,443 SGD