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Heart|Natural|GIA

1.55ct G SI1 Heart Natural Diamond

ID • G/SI1 • GIA 6441897130

Certificate GIA 6441897130

Diamond specifications and retailer prices

From $6,433 SGD
HK$39,300 HKD
As of November 1, 2026
Save $8,063 SGD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,496 SGD 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 $6,433 to $14,496, a $8,063 spread on the same certified stone. NZ Jewellers lists it at $14,496. 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: $14,496 SGD|Low: $6,384 SGD|High: $14,496 SGD|Avg: $8,917 SGD
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$6,433 SGD
Retailer 7$7,177 SGD
Retailer 4$7,543 SGD
Retailer 5$7,558 SGD
Retailer 3$8,001 SGD
Retailer 16$8,001 SGD
Retailer 8$8,038 SGD
Retailer 2$8,167 SGD
Retailer 11$8,313 SGD
Retailer 6$8,505 SGD
Retailer 17$8,667 SGD
Retailer 9$8,753 SGD
Retailer 15$8,801 SGD
Retailer 10$8,872 SGD
Retailer 18$10,001 SGD
Retailer 12$10,649 SGD
Retailer 14$12,838 SGD
NZ Jewellers$14,496 SGD

25 data points across 18 retailers

18 retailers$6,433 SGD to $14,496 SGD

A
Cheapest Retailer
-
$6,433 SGD
HK$39,300 HKD
Retailer 2
-
$7,341 SGD
View
Price last confirmed 19 days ago
B+
Retailer 3
-
$7,543 SGD
$5,898 USD
View
B+
Retailer 4
-
$7,558 SGD
$5,910 USD
View
B+
Retailer 5
-
$8,001 SGD
$6,256 USD
View
Final sale: no returns
B+
Retailer 6
-
$8,001 SGD
$6,256 USD
View
B+
Retailer 7
-
$8,038 SGD
$6,285 USD
View
B+
Retailer 8
-
$8,167 SGD
£5,028 GBP
View
B+
Retailer 9
-
$8,313 SGD
£5,118 GBP
View
B+
Retailer 10
-
$8,505 SGD
$6,650 USD
View
B+
Retailer 11
-
$8,667 SGD
$6,777 USD
View
B
Retailer 12
-
$8,801 SGD
$6,882 USD
View
B
Retailer 13
-
$8,872 SGD
$6,937 USD
View
B
Retailer 14
-
$8,872 SGD
$6,937 USD
View
B+
Retailer 15
-
$10,001 SGD
$7,820 USD
View
B
Retailer 16
-
$10,649 SGD
ZAR 134,524 ZAR
View
B
Retailer 17
-
$12,838 SGD
£7,904 GBP
View
Most Expensive
B
NZ Jewellers
b9356975-5eee-4ee9-abb6-5ee470865518 · Oct 30
$14,496 SGD
$11,335 USD
View
17 more retailers have this diamond
Prices start from $6,433 SGDSave up to $8,063 SGD

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
$6,433 SGD