CaratHunter
Plans
Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1545694303

Certificate GIA 1545694303

Diamond specifications and retailer prices

From $3,827 SGD
As of November 6, 2026
Save $4,883 SGD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,710 SGD at NZ Jewellers · As of November 5, 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 1545694303. Listed at 14 retailers as of November 5, 2026, with prices from $3,827 to $8,710, a $4,883 spread on the same certified stone. NZ Jewellers lists it at $8,710. 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 1545694303
Dimensions7.93 × 6.88 × 4.68 mm
L/W Ratio1.15
Girdle conditionThick
Top View
7.93 mm6.88 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1545694303
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: NoneDepth 58.9%

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 6
Current: $8,710 SGD|Low: $3,827 SGD|High: $8,710 SGD|Avg: $5,426 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
November 6, 2026
Retailer 2$3,827 SGD
Retailer 13$4,040 SGD
Retailer 3$4,400 SGD
Retailer 4$4,543 SGD
Retailer 6$4,718 SGD
Retailer 11$4,774 SGD
Retailer 8$5,064 SGD
Retailer 5$5,187 SGD
Retailer 12$5,511 SGD
Retailer 7$5,628 SGD
Retailer 9$6,102 SGD
Retailer 10$8,360 SGD
NZ Jewellers$8,710 SGD

26 data points across 13 retailers

14 retailers$3,827 SGD to $8,710 SGD

A
Cheapest Retailer
-
$3,827 SGD
A
Retailer 2
-
$4,040 SGD
View
Final sale: no returns
A
Retailer 3
-
$4,400 SGD
View
A
Retailer 4
-
$4,543 SGD
View
A
Retailer 5
-
$4,718 SGD
View
A
Retailer 6
-
$4,774 SGD
View
A
Retailer 7
-
$5,064 SGD
View
A
Retailer 8
-
$5,187 SGD
View
Retailer 9
-
$5,442 SGD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
$5,511 SGD
View
A
Retailer 11
-
$5,628 SGD
View
B+
Retailer 12
-
$6,102 SGD
View
B+
Retailer 13
-
$8,360 SGD
View
Most Expensive
B
NZ Jewellers
b9c824c7-c3c5-4a5d-81e4-5e52dfcfde33 · Nov 5
$8,710 SGD
$6,796 USD
View
13 more retailers have this diamond
Prices start from $3,827 SGDSave up to $4,883 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
$3,827 SGD