Heart|Natural|GIA

1.50ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6455572879

Certificate GIA 6455572879

Diamond specifications and retailer prices

From $4,113 USD
As of October 29, 2026
Save $4,907 USD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,020 USD at NZ Jewellers · As of October 24, 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 6455572879. Listed at 13 retailers as of October 24, 2026, with prices from $4,113 to $9,020, a $4,907 spread on the same certified stone. NZ Jewellers lists it at $9,020. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6455572879
Dimensions6.52 × 7.89 × 4.84 mm
L/W Ratio1.21
Top View
6.52 mm7.89 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6455572879
Side View
Table 55.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.4%

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 29
Current: $9,020 USD|Low: $3,759 USD|High: $9,020 USD|Avg: $5,698 USD
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
October 27, 2026
Retailer 15$4,113 USD
Retailer 18$4,135 USD
Retailer 3$4,255 USD
Retailer 16$4,510 USD
Retailer 4$4,886 USD
Retailer 12$4,886 USD
Retailer 13$4,886 USD
Retailer 11$5,111 USD
Retailer 17$5,193 USD
Retailer 6$5,530 USD
Retailer 7$5,530 USD
Retailer 2$5,692 USD
Retailer 5$5,710 USD
Retailer 9$6,124 USD
Retailer 8$6,652 USD
Retailer 10$7,571 USD
Retailer 14$8,602 USD
NZ Jewellers$9,020 USD

39 data points across 18 retailers

13 retailers$4,113 USD to $9,020 USD

A
Cheapest Retailer
-
$4,113 USD
A
Retailer 2
-
$4,135 USD
View
A
Retailer 3
-
$4,255 USD
View
A
Retailer 4
-
$4,886 USD
View
A
Retailer 5
-
$4,886 USD
View
A
Retailer 6
-
$5,111 USD
£4,024 GBP
View
A
Retailer 7
-
$5,193 USD
View
A
Retailer 8
-
$5,530 USD
View
A
Retailer 9
-
$5,530 USD
View
B+
Retailer 10
-
$5,692 USD
View
B+
Retailer 11
-
$5,710 USD
View
B+
Retailer 12
-
$8,602 USD
£6,773 GBP
View
Most Expensive
B
NZ Jewellers
f8a64e5f-cbaf-4ca0-8099-571045c50564 · Oct 24
$9,020 USD
View
12 more retailers have this diamond
Prices start from $4,113 USDSave up to $4,907 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
$4,113 USD