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Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5416959900

Certificate GIA 5416959900

Diamond specifications and retailer prices

From $7,075 SGD
₹526,865 INR
As of October 31, 2026
Save $9,795 SGD (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,870 SGD at Adiamor · As of November 1, 2026
View at Adiamor

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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5416959900. Listed at 19 retailers as of October 31, 2026, with prices from $7,075 to $16,870, a $9,795 spread on the same certified stone. Adiamor lists it at $16,870. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5416959900
Dimensions7.33 × 7.77 × 4.12 mm
L/W Ratio1.06
Top View
7.33 mm7.77 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5416959900
Side View
Table 60.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 53.1%

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: Oct 31
Current: $10,641 SGD|Low: $7,057 SGD|High: $13,739 SGD|Avg: $9,658 SGD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$7,075 SGD
Retailer 7$7,088 SGD
Retailer 4$8,208 SGD
Retailer 9$8,992 SGD
Retailer 2$9,184 SGD
Retailer 8$9,392 SGD
Retailer 1$10,641 SGD
Retailer 5$11,968 SGD
Retailer 3$13,575 SGD

33 data points across 9 retailers

19 retailers$7,075 SGD to $16,870 SGD

A
Cheapest Retailer
-
$7,075 SGD
₹526,865 INR
B+
Retailer 2
-
$7,088 SGD
HK$43,300 HKD
View
Retailer 3
-
$8,089 SGD
View
Price last confirmed 18 days ago
B+
Retailer 4
-
$8,208 SGD
$6,418 USD
View
B+
Retailer 5
-
$8,243 SGD
$6,445 USD
View
B+
Retailer 6
-
$8,991 SGD
$7,030 USD
View
B+
Retailer 7
-
$8,992 SGD
$7,031 USD
View
B+
Retailer 8
-
$8,992 SGD
$7,031 USD
View
Final sale: no returns
B+
Retailer 9
-
$9,184 SGD
£5,655 GBP
View
Retailer 10
-
$9,392 SGD
A$11,298 AUD
View
Price last confirmed 11 days ago
B
Retailer 11
-
$9,741 SGD
$7,617 USD
View
B
Retailer 12
-
$9,891 SGD
$7,734 USD
View
B
Retailer 13
-
$9,950 SGD
$7,780 USD
View
B
Retailer 14
-
$10,641 SGD
€7,924 EUR
View
B
Retailer 15
-
$11,240 SGD
$8,789 USD
View
B
Retailer 16
-
$11,968 SGD
ZAR 151,185 ZAR
View
B
Retailer 17
-
$13,575 SGD
£8,358 GBP
View
B
Retailer 18
-
$16,292 SGD
$12,739 USD
View
Most Expensive
B
Adiamor
D-64681696 · Nov 1
$16,870 SGD
$13,191 USD
View
18 more retailers have this diamond
Prices start from $7,075 SGDSave up to $9,795 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
$7,075 SGD