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Heart|Natural|GIA

1.53ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5546018862

Certificate GIA 5546018862

Diamond specifications and retailer prices

From $6,570 SGD
$5,137 USD
As of October 30, 2026
Save $6,415 SGD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,985 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.53ct natural heart diamond

This 1.53ct 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546018862. Listed at 15 retailers as of October 30, 2026, with prices from $6,570 to $12,985, a $6,415 spread on the same certified stone. NZ Jewellers lists it at $12,985. 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

1.53
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.31°
Pavilion angle41.53°
OriginNatural
Grading LabGIA
CertificateGIA 5546018862
Dimensions6.71 × 7.89 × 4.72 mm
L/W Ratio1.18
Top View
6.71 mm7.89 mm1.53 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546018862
Side View
Table 61.0%Crown 38.31°Girdle: STK-THKPavilion 41.53°Culet: NoneDepth 59.8%

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: Oct 30
Current: $12,985 SGD|Low: $6,568 SGD|High: $12,985 SGD|Avg: $8,276 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
November 3, 2026
Retailer 7$6,570 SGD
Retailer 6$6,770 SGD
Retailer 12$7,166 SGD
Retailer 15$7,232 SGD
Retailer 8$7,315 SGD
Retailer 2$7,573 SGD
Retailer 13$7,675 SGD
Retailer 3$7,764 SGD
Retailer 4$7,764 SGD
Retailer 11$7,764 SGD
Retailer 14$7,959 SGD
Retailer 5$8,959 SGD
Retailer 10$9,539 SGD
Retailer 9$11,438 SGD
NZ Jewellers$12,985 SGD

36 data points across 15 retailers

15 retailers$6,570 SGD to $12,985 SGD

A
Cheapest Retailer
-
$6,570 SGD
$5,137 USD
A
Retailer 2
-
$6,770 SGD
$5,294 USD
View
B+
Retailer 3
-
$7,166 SGD
$5,603 USD
View
Final sale: no returns
B+
Retailer 4
-
$7,232 SGD
$5,655 USD
View
B+
Retailer 5
-
$7,315 SGD
£4,504 GBP
View
B+
Retailer 6
-
$7,573 SGD
£4,662 GBP
View
Retailer 7
-
$7,675 SGD
A$9,233 AUD
View
Price last confirmed 24 days ago
B+
Retailer 8
-
$7,764 SGD
$6,071 USD
View
B+
Retailer 9
-
$7,764 SGD
$6,071 USD
View
B+
Retailer 10
-
$7,764 SGD
$6,071 USD
View
B+
Retailer 11
-
$7,959 SGD
$6,223 USD
View
B
Retailer 12
-
$8,959 SGD
$7,005 USD
View
B+
Retailer 13
-
$9,539 SGD
ZAR 120,497 ZAR
View
B
Retailer 14
-
$11,438 SGD
£7,042 GBP
View
Most Expensive
B
NZ Jewellers
d014b7a4-0330-4af6-b1a2-45134150dba9 · Oct 30
$12,985 SGD
$10,153 USD
View
14 more retailers have this diamond
Prices start from $6,570 SGDSave up to $6,415 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
1.53ct Heart
$6,570 SGD