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Heart|Natural|GIA

1.50ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 6435991168

Certificate GIA 6435991168

Diamond specifications and retailer prices

From $6,200 SGD
$4,850 USD
As of October 30, 2026
Save $7,445 SGD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,646 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6435991168. Listed at 12 retailers as of October 30, 2026, with prices from $6,200 to $13,646, a $7,445 spread on the same certified stone. NZ Jewellers lists it at $13,646. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6435991168
Dimensions7.82 × 6.60 × 4.72 mm
L/W Ratio1.18
Top View
7.82 mm6.60 mm1.50 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6435991168
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 60.3%

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: $13,646 SGD|Low: $5,631 SGD|High: $13,646 SGD|Avg: $8,112 SGD|+1.0%
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 1, 2026
Retailer 7$5,849 SGD
Retailer 15$6,200 SGD
Retailer 3$6,374 SGD
Retailer 14$6,758 SGD
Retailer 5$7,287 SGD
Retailer 10$7,392 SGD
Retailer 11$7,392 SGD
Retailer 12$7,392 SGD
Retailer 2$7,634 SGD
Retailer 4$7,722 SGD
Retailer 13$8,528 SGD
Retailer 6$8,561 SGD
Retailer 9$10,024 SGD
Retailer 8$12,021 SGD
NZ Jewellers$13,646 SGD

45 data points across 15 retailers

12 retailers$6,200 SGD to $13,646 SGD

A
Cheapest Retailer
-
$6,200 SGD
$4,850 USD
A
Retailer 2
-
$6,374 SGD
$4,986 USD
View
A
Retailer 3
-
$6,758 SGD
$5,286 USD
View
Final sale: no returns
A
Retailer 4
-
$7,287 SGD
$5,700 USD
View
A
Retailer 5
-
$7,392 SGD
$5,782 USD
View
A
Retailer 6
-
$7,392 SGD
$5,782 USD
View
A
Retailer 7
-
$7,634 SGD
£4,702 GBP
View
B+
Retailer 8
-
$7,722 SGD
$6,040 USD
View
B+
Retailer 9
-
$8,528 SGD
$6,671 USD
View
B+
Retailer 10
-
$10,024 SGD
ZAR 126,676 ZAR
View
B
Retailer 11
-
$12,021 SGD
£7,404 GBP
View
Most Expensive
B
NZ Jewellers
af9601fe-5ca9-4705-a211-6f3a86158ee6 · Oct 30
$13,646 SGD
$10,674 USD
View
11 more retailers have this diamond
Prices start from $6,200 SGDSave up to $7,445 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
$6,200 SGD