Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1417574633

Certificate GIA 1417574633

Diamond specifications and retailer prices

From $5,863 SGD
$4,586 USD
As of October 31, 2026
Save $8,313 SGD (59%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $14,176 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 1417574633. Listed at 23 retailers as of October 30, 2026, with prices from $5,863 to $14,176, a $8,313 spread on the same certified stone. NZ Jewellers lists it at $14,176. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1417574633
Dimensions6.83 × 8.03 × 4.69 mm
L/W Ratio1.18
Culet sizeNone
Top View
6.83 mm8.03 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1417574633
Side View
Table 62.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 58.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $14,176 SGD|Low: $5,863 SGD|High: $14,176 SGD|Avg: $8,538 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
November 2, 2026
Retailer 5$5,863 SGD
Retailer 2$6,468 SGD
Retailer 9$6,540 SGD
Retailer 4$6,738 SGD
Retailer 10$7,148 SGD
Retailer 15$7,159 SGD
Retailer 3$7,678 SGD
Retailer 7$7,678 SGD
Retailer 16$7,678 SGD
Retailer 18$8,127 SGD
Retailer 17$8,140 SGD
Retailer 14$8,312 SGD
Retailer 19$8,861 SGD
Retailer 6$9,314 SGD
Retailer 11$9,344 SGD
Retailer 13$10,414 SGD
Retailer 8$10,424 SGD
Retailer 12$12,487 SGD
NZ Jewellers$14,176 SGD

34 data points across 19 retailers

23 retailers$5,863 SGD to $14,176 SGD

B+
Cheapest Retailer
-
$5,863 SGD
$4,586 USD
B+
Retailer 2
-
$6,468 SGD
£3,984 GBP
View
B+
Retailer 3
-
$6,540 SGD
$5,116 USD
View
B+
Retailer 4
-
$6,696 SGD
$5,238 USD
View
B+
Retailer 5
-
$6,738 SGD
$5,271 USD
View
B+
Retailer 6
-
$6,967 SGD
$5,450 USD
View
B+
Retailer 7
-
$6,967 SGD
$5,450 USD
View
B+
Retailer 8
-
$7,148 SGD
$5,591 USD
View
B+
Retailer 9
-
$7,159 SGD
$5,600 USD
View
B+
Retailer 10
-
$7,197 SGD
$5,630 USD
View
B
Retailer 11
-
$7,573 SGD
$5,924 USD
View
B+
Retailer 12
-
$7,678 SGD
$6,006 USD
View
B+
Retailer 13
-
$7,678 SGD
$6,006 USD
View
B+
Retailer 14
-
$7,678 SGD
$6,006 USD
View
B+
Retailer 15
-
$8,127 SGD
$6,357 USD
View
Retailer 16
-
$8,140 SGD
£5,014 GBP
View
Price last confirmed 33 days ago
Retailer 17
-
$8,312 SGD
A$10,003 AUD
View
Price last confirmed 29 days ago
Retailer 18
-
$8,861 SGD
$6,931 USD
View
Price last confirmed 56 days ago
B
Retailer 19
-
$8,861 SGD
$6,931 USD
View
Retailer 20
-
$9,344 SGD
$7,309 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
$10,414 SGD
ZAR 131,598 ZAR
View
B
Retailer 22
-
$12,487 SGD
£7,691 GBP
View
Most Expensive
B
NZ Jewellers
4950776f-620c-4179-857b-303f4b41a2c8 · Oct 30
$14,176 SGD
$11,089 USD
View
22 more retailers have this diamond
Prices start from $5,863 SGDSave up to $8,313 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.

B+
1.50ct Heart
$5,863 SGD