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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5373297754

Certificate GIA 5373297754

Diamond specifications and retailer prices

From $2,308 SGD
HK$14,100 HKD
As of November 1, 2026
Save $4,169 SGD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,478 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded H 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 5373297754. Listed at 19 retailers as of October 30, 2026, with prices from $2,308 to $6,478, a $4,169 spread on the same certified stone. NZ Jewellers lists it at $6,478. 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

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5373297754
Dimensions6.23 × 6.76 × 4.02 mm
L/W Ratio1.09
Top View
6.23 mm6.76 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5373297754
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 59.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,478 SGD|Low: $2,030 SGD|High: $6,478 SGD|Avg: $3,206 SGD|+12.6%
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
Retailer 19
November 2, 2026
Retailer 15$2,308 SGD
Retailer 7$2,718 SGD
Retailer 4$2,800 SGD
Retailer 5$2,860 SGD
Retailer 18$2,909 SGD
Retailer 2$3,022 SGD
Retailer 8$3,082 SGD
Retailer 9$3,099 SGD
Retailer 19$3,099 SGD
Retailer 10$3,205 SGD
Retailer 6$3,242 SGD
Retailer 3$3,278 SGD
Retailer 13$3,311 SGD
Retailer 11$3,383 SGD
Retailer 17$3,576 SGD
Retailer 16$3,809 SGD
Retailer 12$3,869 SGD
Retailer 14$5,428 SGD
NZ Jewellers$6,478 SGD

27 data points across 19 retailers

19 retailers$2,308 SGD to $6,478 SGD

B+
Cheapest Retailer
-
$2,308 SGD
HK$14,100 HKD
B+
Retailer 2
-
$2,718 SGD
$2,125 USD
View
B
Retailer 3
-
$2,800 SGD
$2,189 USD
View
B
Retailer 4
-
$2,860 SGD
$2,236 USD
View
Final sale: no returns
B
Retailer 5
-
$2,909 SGD
$2,275 USD
View
B
Retailer 6
-
$3,022 SGD
£1,861 GBP
View
B
Retailer 7
-
$3,082 SGD
$2,410 USD
View
B
Retailer 8
-
$3,099 SGD
$2,423 USD
View
B
Retailer 9
-
$3,099 SGD
$2,423 USD
View
B
Retailer 10
-
$3,205 SGD
View
B
Retailer 11
-
$3,242 SGD
$2,535 USD
View
B
Retailer 12
-
$3,278 SGD
$2,563 USD
View
B
Retailer 13
-
$3,311 SGD
£2,039 GBP
View
Retailer 14
-
$3,383 SGD
A$4,069 AUD
View
Price last confirmed 26 days ago
B
Retailer 15
-
$3,576 SGD
$2,796 USD
View
B
Retailer 16
-
$3,809 SGD
ZAR 48,112 ZAR
View
B
Retailer 17
-
$3,869 SGD
€2,881 EUR
View
C
Retailer 18
-
$5,428 SGD
£3,342 GBP
View
Most Expensive
C
NZ Jewellers
6b5f2e47-1db7-4726-ab8a-80bb7a4a861b · Oct 30
$6,478 SGD
$5,065 USD
View
18 more retailers have this diamond
Prices start from $2,308 SGDSave up to $4,169 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.

B+
1.00ct Heart
$2,308 SGD