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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 $3,594 NZD
HK$15,800 HKD
As of November 1, 2026
Save $6,389 NZD (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,983 NZD 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 $3,594 to $9,983, a $6,389 spread on the same certified stone. NZ Jewellers lists it at $9,983. 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: $9,983 NZD|Low: $3,549 NZD|High: $10,671 NZD|Avg: $6,419 NZD|-6.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$3,594 NZD
Retailer 3$3,680 NZD
Retailer 8$4,065 NZD
Retailer 4$4,776 NZD
Retailer 2$4,959 NZD
Retailer 9$5,707 NZD
Retailer 6$5,827 NZD
Retailer 5$8,365 NZD
NZ Jewellers$9,983 NZD

45 data points across 9 retailers

9 retailers$3,594 NZD to $9,983 NZD

A
Cheapest Retailer
-
$3,594 NZD
HK$15,800 HKD
A
Retailer 2
-
$3,680 NZD
₹197,171 INR
View
A
Retailer 3
-
$4,065 NZD
A$3,519 AUD
View
A
Retailer 4
-
$4,776 NZD
$2,687 USD
View
A
Retailer 5
-
$4,959 NZD
$2,790 USD
View
Retailer 6
-
$5,707 NZD
SGD 4,339 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$5,827 NZD
£2,582 GBP
View
A
Retailer 8
-
$8,365 NZD
£3,706 GBP
View
Most Expensive
B+
NZ Jewellers
853afe39-4ad7-487a-b343-6802300e0275 · Oct 30
$9,983 NZD
$5,617 USD
View
8 more retailers have this diamond
Prices start from $3,594 NZDSave up to $6,389 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
1.51ct Heart
$3,594 NZD