Heart|Natural|GIA

1.54ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 1448897098

Certificate GIA 1448897098

Diamond specifications and retailer prices

From $9,882 NZD
As of November 6, 2026
Save $12,387 NZD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $22,269 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.54ct natural heart diamond

This 1.54ct 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 1448897098. Listed at 18 retailers as of November 5, 2026, with prices from $9,882 to $22,269, a $12,387 spread on the same certified stone. NZ Jewellers lists it at $22,269. 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

1.54
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1448897098
Dimensions6.73 × 7.93 × 4.67 mm
L/W Ratio1.18
Key to symbols
Twinning Wisp, Feather, Needle, Indented Natural
Top View
6.73 mm7.93 mm1.54 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1448897098
Side View
Table 58.0%CrownGirdle: THK-ETKPavilionCulet: 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: $22,269 NZD|Low: $9,813 NZD|High: $22,269 NZD|Avg: $13,708 NZD
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
November 6, 2026
Retailer 13$9,882 NZD
Retailer 8$10,831 NZD
Retailer 5$11,543 NZD
Retailer 4$12,288 NZD
Retailer 16$12,290 NZD
Retailer 6$12,303 NZD
Retailer 2$12,389 NZD
Retailer 11$12,438 NZD
Retailer 14$12,921 NZD
Retailer 7$12,988 NZD
Retailer 17$13,315 NZD
Retailer 9$13,448 NZD
Retailer 15$13,518 NZD
Retailer 3$15,362 NZD
Retailer 10$16,244 NZD
Retailer 12$18,506 NZD
NZ Jewellers$22,269 NZD

29 data points across 17 retailers

18 retailers$9,882 NZD to $22,269 NZD

A
Cheapest Retailer
-
$9,882 NZD
Retailer 2
-
$11,280 NZD
View
Price last confirmed 23 days ago
B+
Retailer 3
-
$11,543 NZD
View
B+
Retailer 4
-
$11,612 NZD
View
B+
Retailer 5
-
$12,288 NZD
View
Final sale: no returns
Retailer 6
-
$12,290 NZD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$12,303 NZD
View
B+
Retailer 8
-
$12,389 NZD
View
B+
Retailer 9
-
$12,438 NZD
View
Retailer 10
-
$12,921 NZD
View
Price last confirmed 16 days ago
B+
Retailer 11
-
$12,988 NZD
View
B+
Retailer 12
-
$13,315 NZD
View
B+
Retailer 13
-
$13,518 NZD
View
B+
Retailer 14
-
$13,612 NZD
View
B+
Retailer 15
-
$15,362 NZD
View
B+
Retailer 16
-
$16,244 NZD
View
B
Retailer 17
-
$18,506 NZD
View
Most Expensive
B
NZ Jewellers
d1e983d9-3c9d-4196-bdd2-7378c31d4fa5 · Nov 5
$22,269 NZD
$12,345 USD
View
17 more retailers have this diamond
Prices start from $9,882 NZDSave up to $12,387 NZD

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
1.54ct Heart
$9,882 NZD