Heart|Natural|GIA

1.55ct G SI1 Heart Natural Diamond

ID • G/SI1 • GIA 6441897130

Certificate GIA 6441897130

Diamond specifications and retailer prices

From $8,941 NZD
HK$39,300 HKD
As of November 1, 2026
Save $11,205 NZD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $20,146 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.55ct natural heart diamond

This 1.55ct natural heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6441897130. Listed at 18 retailers as of October 30, 2026, with prices from $8,941 to $20,146, a $11,205 spread on the same certified stone. NZ Jewellers lists it at $20,146. 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

1.55
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6441897130
Dimensions6.94 × 8.05 × 4.62 mm
L/W Ratio1.16
Top View
6.94 mm8.05 mm1.55 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6441897130
Side View
Table 60.0%CrownGirdle: MED-ETKPavilionCulet: 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: $20,146 NZD|Low: $8,872 NZD|High: $20,146 NZD|Avg: $12,392 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
Retailer 18
November 2, 2026
Retailer 13$8,941 NZD
Retailer 7$9,974 NZD
Retailer 4$10,483 NZD
Retailer 5$10,504 NZD
Retailer 3$11,119 NZD
Retailer 16$11,119 NZD
Retailer 8$11,170 NZD
Retailer 2$11,350 NZD
Retailer 11$11,553 NZD
Retailer 6$11,819 NZD
Retailer 17$12,045 NZD
Retailer 9$12,164 NZD
Retailer 15$12,231 NZD
Retailer 10$12,329 NZD
Retailer 18$13,898 NZD
Retailer 12$14,800 NZD
Retailer 14$17,841 NZD
NZ Jewellers$20,146 NZD

25 data points across 18 retailers

18 retailers$8,941 NZD to $20,146 NZD

A
Cheapest Retailer
-
$8,941 NZD
HK$39,300 HKD
Retailer 2
-
$10,202 NZD
SGD 7,757 SGD
View
Price last confirmed 19 days ago
B+
Retailer 3
-
$10,483 NZD
$5,898 USD
View
B+
Retailer 4
-
$10,504 NZD
$5,910 USD
View
B+
Retailer 5
-
$11,119 NZD
$6,256 USD
View
Final sale: no returns
B+
Retailer 6
-
$11,119 NZD
$6,256 USD
View
B+
Retailer 7
-
$11,170 NZD
$6,285 USD
View
B+
Retailer 8
-
$11,350 NZD
£5,028 GBP
View
B+
Retailer 9
-
$11,553 NZD
£5,118 GBP
View
B+
Retailer 10
-
$11,819 NZD
$6,650 USD
View
B+
Retailer 11
-
$12,045 NZD
$6,777 USD
View
B
Retailer 12
-
$12,231 NZD
$6,882 USD
View
B
Retailer 13
-
$12,329 NZD
$6,937 USD
View
B
Retailer 14
-
$12,330 NZD
$6,937 USD
View
B+
Retailer 15
-
$13,898 NZD
$7,820 USD
View
B
Retailer 16
-
$14,800 NZD
ZAR 134,524 ZAR
View
B
Retailer 17
-
$17,841 NZD
£7,904 GBP
View
Most Expensive
B
NZ Jewellers
b9356975-5eee-4ee9-abb6-5ee470865518 · Oct 30
$20,146 NZD
$11,335 USD
View
17 more retailers have this diamond
Prices start from $8,941 NZDSave up to $11,205 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
1.55ct Heart
$8,941 NZD