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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 $4,194 SGD
₹312,322 INR
As of November 2, 2026
Save $5,432 SGD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,626 SGD 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 $4,194 to $9,626, a $5,432 spread on the same certified stone. NZ Jewellers lists it at $9,626. 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: $4,194 SGD|Low: $4,186 SGD|High: $8,906 SGD|Avg: $6,075 SGD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 1$4,194 SGD
Retailer 6$5,525 SGD
Retailer 3$5,652 SGD
Retailer 5$5,893 SGD
Retailer 2$6,250 SGD
Retailer 4$8,800 SGD

40 data points across 6 retailers

13 retailers$4,194 SGD to $9,626 SGD

A
Cheapest Retailer
-
$4,194 SGD
₹312,322 INR
A
Retailer 2
-
$4,861 SGD
$3,801 USD
View
A
Retailer 3
-
$5,243 SGD
$4,100 USD
View
A
Retailer 4
-
$5,525 SGD
$4,320 USD
View
A
Retailer 5
-
$5,525 SGD
$4,320 USD
View
A
Retailer 6
-
$5,525 SGD
$4,320 USD
View
A
Retailer 7
-
$5,652 SGD
£3,480 GBP
View
A
Retailer 8
-
$5,737 SGD
$4,486 USD
View
Retailer 9
-
$5,893 SGD
A$7,089 AUD
View
Price last confirmed 24 days ago
A
Retailer 10
-
$6,250 SGD
€4,654 EUR
View
B+
Retailer 11
-
$6,375 SGD
$4,985 USD
View
B+
Retailer 12
-
$8,800 SGD
£5,418 GBP
View
Most Expensive
B
NZ Jewellers
f6b7fb72-3c8f-4f14-bdc9-cf0d769c8b9b · Oct 30
$9,626 SGD
$7,527 USD
View
12 more retailers have this diamond
Prices start from $4,194 SGDSave up to $5,432 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
1.63ct Heart
$4,194 SGD