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Heart|Natural|GIA

1.63ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 6351567071

Certificate GIA 6351567071

Diamond specifications and retailer prices

From $5,828 NZD
₹312,322 INR
As of November 2, 2026
Save $7,549 NZD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $13,378 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.63ct natural heart diamond

This 1.63ct 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 6351567071. Listed at 13 retailers as of October 30, 2026, with prices from $5,828 to $13,378, a $7,549 spread on the same certified stone. NZ Jewellers lists it at $13,378. 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

1.63
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceVery Strong
OriginNatural
Grading LabGIA
CertificateGIA 6351567071
Dimensions8.31 × 7.13 × 4.84 mm
L/W Ratio1.17
Top View
8.31 mm7.13 mm1.63 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceVery Strong
CertificateGIA 6351567071
Side View
Table 61.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 58.2%

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: $5,828 NZD|Low: $5,817 NZD|High: $12,376 NZD|Avg: $8,443 NZD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 1$5,828 NZD
Retailer 6$7,678 NZD
Retailer 3$7,855 NZD
Retailer 5$8,190 NZD
Retailer 2$8,685 NZD
Retailer 4$12,229 NZD

40 data points across 6 retailers

13 retailers$5,828 NZD to $13,378 NZD

A
Cheapest Retailer
-
$5,828 NZD
₹312,322 INR
A
Retailer 2
-
$6,756 NZD
$3,801 USD
View
A
Retailer 3
-
$7,287 NZD
$4,100 USD
View
A
Retailer 4
-
$7,678 NZD
$4,320 USD
View
A
Retailer 5
-
$7,678 NZD
$4,320 USD
View
A
Retailer 6
-
$7,678 NZD
$4,320 USD
View
A
Retailer 7
-
$7,855 NZD
£3,480 GBP
View
A
Retailer 8
-
$7,973 NZD
$4,486 USD
View
Retailer 9
-
$8,190 NZD
A$7,089 AUD
View
Price last confirmed 24 days ago
A
Retailer 10
-
$8,685 NZD
€4,654 EUR
View
B+
Retailer 11
-
$8,860 NZD
$4,985 USD
View
B+
Retailer 12
-
$12,229 NZD
£5,418 GBP
View
Most Expensive
B
NZ Jewellers
f6b7fb72-3c8f-4f14-bdc9-cf0d769c8b9b · Oct 30
$13,378 NZD
$7,527 USD
View
12 more retailers have this diamond
Prices start from $5,828 NZDSave up to $7,549 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
1.63ct Heart
$5,828 NZD