CaratHunter
Plans
Heart|Natural|GIA

1.54ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 6535937549

Certificate GIA 6535937549

Diamond specifications and retailer prices

From $2,978 USD
As of November 1, 2026
Save $3,301 USD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,279 USD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6535937549. Listed at 14 retailers as of October 30, 2026, with prices from $2,978 to $6,279, a $3,301 spread on the same certified stone. NZ Jewellers lists it at $6,279. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.93°
OriginNatural
Grading LabGIA
CertificateGIA 6535937549
Dimensions8.18 × 7.25 × 4.53 mm
L/W Ratio1.13
Top View
8.18 mm7.25 mm1.54 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535937549
Side View
Table 58.0%Crown 34.93°Girdle: MED-VTKPavilionCulet: NoneDepth 55.4%

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: Nov 1
Current: $6,279 USD|Low: $2,978 USD|High: $6,862 USD|Avg: $4,166 USD|-8.5%
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
November 1, 2026
Retailer 6$2,978 USD
Retailer 13$3,199 USD
Retailer 14$3,326 USD
Retailer 2$3,515 USD
Retailer 5$3,604 USD
Retailer 11$3,604 USD
Retailer 4$3,742 USD
Retailer 12$3,749 USD
Retailer 8$3,766 USD
Retailer 3$3,810 USD
Retailer 10$3,842 USD
Retailer 9$4,158 USD
Retailer 7$6,027 USD
NZ Jewellers$6,279 USD

32 data points across 14 retailers

14 retailers$2,978 USD to $6,279 USD

A
Cheapest Retailer
-
$2,978 USD
A
Retailer 2
-
$3,199 USD
View
A
Retailer 3
-
$3,326 USD
View
Final sale: no returns
A
Retailer 4
-
$3,515 USD
£2,768 GBP
View
A
Retailer 5
-
$3,604 USD
View
A
Retailer 6
-
$3,604 USD
View
A
Retailer 7
-
$3,742 USD
View
A
Retailer 8
-
$3,749 USD
View
A
Retailer 9
-
$3,766 USD
£2,966 GBP
View
A
Retailer 10
-
$3,810 USD
View
A
Retailer 11
-
$3,842 USD
View
A
Retailer 12
-
$4,158 USD
View
B
Retailer 13
-
$6,027 USD
£4,746 GBP
View
Most Expensive
B+
NZ Jewellers
ea83e2a4-0a00-4111-99d2-b0ae3617cafa · Oct 30
$6,279 USD
View
13 more retailers have this diamond
Prices start from $2,978 USDSave up to $3,301 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
1.54ct Heart
$2,978 USD