Heart|Natural|GIA

1.50ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 6435991168

Certificate GIA 6435991168

Diamond specifications and retailer prices

From $4,850 USD
As of October 30, 2026
Save $5,824 USD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,674 USD 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 $4,850 to $10,674, a $5,824 spread on the same certified stone. NZ Jewellers lists it at $10,674. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $10,674 USD|Low: $4,405 USD|High: $10,674 USD|Avg: $6,345 USD|+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$4,575 USD
Retailer 15$4,850 USD
Retailer 3$4,986 USD
Retailer 14$5,286 USD
Retailer 5$5,700 USD
Retailer 10$5,782 USD
Retailer 11$5,782 USD
Retailer 12$5,782 USD
Retailer 2$5,971 USD
Retailer 4$6,040 USD
Retailer 13$6,671 USD
Retailer 6$6,697 USD
Retailer 9$7,841 USD
Retailer 8$9,403 USD
NZ Jewellers$10,674 USD

45 data points across 15 retailers

12 retailers$4,850 USD to $10,674 USD

A
Cheapest Retailer
-
$4,850 USD
A
Retailer 2
-
$4,986 USD
View
A
Retailer 3
-
$5,286 USD
View
Final sale: no returns
A
Retailer 4
-
$5,700 USD
View
A
Retailer 5
-
$5,782 USD
View
A
Retailer 6
-
$5,782 USD
View
A
Retailer 7
-
$5,971 USD
£4,702 GBP
View
B+
Retailer 8
-
$6,040 USD
View
B+
Retailer 9
-
$6,671 USD
View
B+
Retailer 10
-
$7,841 USD
ZAR 126,676 ZAR
View
B
Retailer 11
-
$9,403 USD
£7,404 GBP
View
Most Expensive
B
NZ Jewellers
af9601fe-5ca9-4705-a211-6f3a86158ee6 · Oct 30
$10,674 USD
View
11 more retailers have this diamond
Prices start from $4,850 USDSave up to $5,824 USD

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
$4,850 USD