CaratHunter
Plans
Heart|Natural|GIA

0.90ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6545146756

Certificate GIA 6545146756

Diamond specifications and retailer prices

From $1,230 AUD
$864 USD
As of November 2, 2026
Save $2,950 AUD (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,180 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-carat band, graded H 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 6545146756. Listed at 14 retailers as of October 30, 2026, with prices from $1,230 to $4,180, a $2,950 spread on the same certified stone. NZ Jewellers lists it at $4,180. 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

0.90
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545146756
Dimensions6.04 × 6.62 × 3.73 mm
L/W Ratio1.10
Top View
6.04 mm6.62 mm0.90 ctH / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545146756
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 56.4%

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 2
Current: $4,180 AUD|Low: $1,165 AUD|High: $4,319 AUD|Avg: $1,876 AUD|-3.2%
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 2, 2026
Retailer 6$1,230 AUD
Retailer 8$1,332 AUD
Retailer 11$1,332 AUD
Retailer 4$1,347 AUD
Retailer 12$1,384 AUD
Retailer 14$1,518 AUD
Retailer 5$1,528 AUD
Retailer 10$1,537 AUD
Retailer 13$1,557 AUD
Retailer 7$1,560 AUD
Retailer 9$1,876 AUD
Retailer 3$2,455 AUD
Retailer 2$3,449 AUD
NZ Jewellers$4,180 AUD

34 data points across 14 retailers

14 retailers$1,230 AUD to $4,180 AUD

A
Cheapest Retailer
-
$1,230 AUD
$864 USD
Final sale: no returns
A
Retailer 2
-
$1,332 AUD
$936 USD
View
A
Retailer 3
-
$1,332 AUD
$936 USD
View
A
Retailer 4
-
$1,347 AUD
$946 USD
View
A
Retailer 5
-
$1,384 AUD
$972 USD
View
A
Retailer 6
-
$1,518 AUD
$1,066 USD
View
A
Retailer 7
-
$1,528 AUD
$1,073 USD
View
A
Retailer 8
-
$1,537 AUD
$1,080 USD
View
A
Retailer 9
-
$1,557 AUD
£861 GBP
View
A
Retailer 10
-
$1,560 AUD
£863 GBP
View
B+
Retailer 11
-
$1,876 AUD
€1,255 EUR
View
B
Retailer 12
-
$2,455 AUD
£1,358 GBP
View
B
Retailer 13
-
$3,449 AUD
£1,908 GBP
View
Most Expensive
B
NZ Jewellers
400c1f94-8916-4ec4-ab27-694b0f58e448 · Oct 30
$4,180 AUD
$2,936 USD
View
13 more retailers have this diamond
Prices start from $1,230 AUDSave up to $2,950 AUD

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
0.90ct Heart
$1,230 AUD