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Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

ID • G/SI1 • GIA 6542596436

Certificate GIA 6542596436

Diamond specifications and retailer prices

From $6,553 SGD
$5,124 USD
As of November 1, 2026
Save $7,478 SGD (53%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $14,031 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542596436. Listed at 23 retailers as of October 30, 2026, with prices from $6,553 to $14,031, a $7,478 spread on the same certified stone. NZ Jewellers lists it at $14,031. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542596436
Dimensions6.88 × 7.94 × 4.57 mm
L/W Ratio1.15
Top View
6.88 mm7.94 mm1.50 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542596436
Side View
Table 55.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.6%

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: $14,031 SGD|Low: $5,527 SGD|High: $14,031 SGD|Avg: $8,709 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
November 2, 2026
Retailer 11$6,633 SGD
Retailer 12$7,015 SGD
Retailer 3$7,092 SGD
Retailer 7$7,498 SGD
Retailer 6$7,583 SGD
Retailer 4$7,601 SGD
Retailer 5$7,601 SGD
Retailer 14$7,601 SGD
Retailer 15$8,001 SGD
Retailer 2$8,047 SGD
Retailer 13$8,184 SGD
Retailer 16$8,769 SGD
Retailer 10$10,307 SGD
Retailer 8$12,159 SGD
Retailer 9$12,360 SGD
NZ Jewellers$14,031 SGD

40 data points across 16 retailers

23 retailers$6,553 SGD to $14,031 SGD

A
Cheapest Retailer
-
$6,553 SGD
$5,124 USD
A
Retailer 2
-
$6,629 SGD
$5,183 USD
View
B+
Retailer 3
-
$6,633 SGD
$5,186 USD
View
B+
Retailer 4
-
$6,715 SGD
$5,251 USD
View
B+
Retailer 5
-
$7,015 SGD
$5,485 USD
View
Final sale: no returns
B+
Retailer 6
-
$7,092 SGD
$5,545 USD
View
B+
Retailer 7
-
$7,498 SGD
$5,863 USD
View
Retailer 8
-
$7,583 SGD
$5,929 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$7,601 SGD
$5,943 USD
View
B+
Retailer 10
-
$7,601 SGD
$5,943 USD
View
B+
Retailer 11
-
$7,601 SGD
$5,943 USD
View
B+
Retailer 12
-
$8,047 SGD
£4,954 GBP
View
Retailer 13
-
$8,184 SGD
A$9,846 AUD
View
Price last confirmed 23 days ago
B+
Retailer 14
-
$8,466 SGD
$6,620 USD
View
B+
Retailer 15
-
$8,466 SGD
$6,620 USD
View
B
Retailer 16
-
$8,591 SGD
$6,717 USD
View
B
Retailer 17
-
$8,748 SGD
$6,840 USD
View
Retailer 18
-
$8,769 SGD
$6,857 USD
View
Price last confirmed 56 days ago
B
Retailer 19
-
$8,769 SGD
$6,857 USD
View
B
Retailer 20
-
$10,307 SGD
ZAR 130,203 ZAR
View
B
Retailer 21
-
$12,159 SGD
$9,507 USD
View
B
Retailer 22
-
$12,360 SGD
£7,610 GBP
View
Most Expensive
B
NZ Jewellers
6f710149-8b88-4dd7-95b7-b358db1c13b1 · Oct 30
$14,031 SGD
$10,971 USD
View
22 more retailers have this diamond
Prices start from $6,553 SGDSave up to $7,478 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
$6,553 SGD