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Heart|Natural|GIA

1.51ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 2548168352

Certificate GIA 2548168352

Diamond specifications and retailer prices

From $2,886 AUD
HK$15,800 HKD
As of November 1, 2026
Save $5,129 AUD (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,015 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded G 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 2548168352. Listed at 9 retailers as of October 30, 2026, with prices from $2,886 to $8,015, a $5,129 spread on the same certified stone. NZ Jewellers lists it at $8,015. 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

1.51
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2548168352
Dimensions7.06 × 7.97 × 4.58 mm
L/W Ratio1.13
Top View
7.06 mm7.97 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548168352
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.4%

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: $8,015 AUD|Low: $2,849 AUD|High: $8,567 AUD|Avg: $5,155 AUD|-6.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$2,886 AUD
Retailer 2$2,954 AUD
Retailer 7$3,264 AUD
Retailer 3$3,834 AUD
Retailer 8$4,543 AUD
Retailer 9$4,582 AUD
Retailer 5$4,678 AUD
Retailer 4$6,716 AUD
NZ Jewellers$8,015 AUD

45 data points across 9 retailers

9 retailers$2,886 AUD to $8,015 AUD

A
Cheapest Retailer
-
$2,886 AUD
HK$15,800 HKD
A
Retailer 2
-
$2,954 AUD
₹197,171 INR
View
A
Retailer 3
-
$3,264 AUD
View
A
Retailer 4
-
$3,834 AUD
$2,687 USD
View
A
Retailer 5
-
$4,543 AUD
$3,184 USD
View
Retailer 6
-
$4,582 AUD
SGD 4,339 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$4,678 AUD
£2,582 GBP
View
A
Retailer 8
-
$6,716 AUD
£3,706 GBP
View
Most Expensive
B+
NZ Jewellers
853afe39-4ad7-487a-b343-6802300e0275 · Oct 30
$8,015 AUD
$5,617 USD
View
8 more retailers have this diamond
Prices start from $2,886 AUDSave up to $5,129 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
1.51ct Heart
$2,886 AUD