Heart|Natural|GIA

1.63ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 6351567071

Certificate GIA 6351567071

Diamond specifications and retailer prices

From $3,279 USD
₹312,322 INR
As of November 2, 2026
Save $4,248 USD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,527 USD 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 $3,279 to $7,527, a $4,248 spread on the same certified stone. NZ Jewellers lists it at $7,527. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,279 USD|Low: $3,273 USD|High: $6,963 USD|Avg: $4,750 USD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 1$3,279 USD
Retailer 6$4,320 USD
Retailer 3$4,420 USD
Retailer 5$4,608 USD
Retailer 2$4,887 USD
Retailer 4$6,881 USD

40 data points across 6 retailers

13 retailers$3,279 USD to $7,527 USD

A
Cheapest Retailer
-
$3,279 USD
₹312,322 INR
A
Retailer 2
-
$3,801 USD
View
A
Retailer 3
-
$4,100 USD
View
A
Retailer 4
-
$4,320 USD
View
A
Retailer 5
-
$4,320 USD
View
A
Retailer 6
-
$4,320 USD
View
A
Retailer 7
-
$4,420 USD
£3,480 GBP
View
A
Retailer 8
-
$4,486 USD
View
Retailer 9
-
$4,608 USD
A$7,089 AUD
View
Price last confirmed 24 days ago
A
Retailer 10
-
$4,887 USD
€4,654 EUR
View
B+
Retailer 11
-
$4,985 USD
View
B+
Retailer 12
-
$6,881 USD
£5,418 GBP
View
Most Expensive
B
NZ Jewellers
f6b7fb72-3c8f-4f14-bdc9-cf0d769c8b9b · Oct 30
$7,527 USD
View
12 more retailers have this diamond
Prices start from $3,279 USDSave up to $4,248 USD

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
$3,279 USD