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Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6555455676

Certificate GIA 6555455676

Diamond specifications and retailer prices

From $2,804 SGD
As of November 6, 2026
Save $4,993 SGD (64%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,797 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct 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 6555455676. Listed at 25 retailers as of November 5, 2026, with prices from $2,804 to $7,797, a $4,993 spread on the same certified stone. NZ Jewellers lists it at $7,797. 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

1.20
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555455676
Dimensions6.73 × 7.43 × 4.26 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.73 mm7.43 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555455676
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.3%

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 6
Current: $7,797 SGD|Low: $2,804 SGD|High: $7,841 SGD|Avg: $4,582 SGD|-0.6%
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 7, 2026
Retailer 7$2,804 SGD
Retailer 12$2,927 SGD
Retailer 17$3,310 SGD
Retailer 18$3,348 SGD
Retailer 9$3,442 SGD
Retailer 13$3,618 SGD
Retailer 3$3,729 SGD
Retailer 11$3,750 SGD
Retailer 5$3,873 SGD
Retailer 15$3,905 SGD
Retailer 8$3,911 SGD
Retailer 2$3,947 SGD
Retailer 4$4,034 SGD
Retailer 6$4,304 SGD
Retailer 14$4,341 SGD
Retailer 16$4,552 SGD
Retailer 19$6,220 SGD
Retailer 10$7,519 SGD
NZ Jewellers$7,797 SGD

23 data points across 19 retailers

25 retailers$2,804 SGD to $7,797 SGD

A
Cheapest Retailer
-
$2,804 SGD
A
Retailer 2
-
$2,927 SGD
View
B+
Retailer 3
-
$3,310 SGD
View
B+
Retailer 4
-
$3,348 SGD
View
B+
Retailer 5
-
$3,442 SGD
View
Final sale: no returns
B+
Retailer 6
-
$3,458 SGD
View
B+
Retailer 7
-
$3,515 SGD
View
B+
Retailer 8
-
$3,518 SGD
View
B+
Retailer 9
-
$3,618 SGD
View
B+
Retailer 10
-
$3,729 SGD
View
Retailer 11
-
$3,750 SGD
View
Price last confirmed 9 days ago
Retailer 12
-
$3,750 SGD
View
Price last confirmed 22 days ago
B+
Retailer 13
-
$3,873 SGD
View
B+
Retailer 14
-
$3,905 SGD
View
B+
Retailer 15
-
$3,911 SGD
View
B+
Retailer 16
-
$3,922 SGD
View
B+
Retailer 17
-
$3,947 SGD
View
B+
Retailer 18
-
$4,034 SGD
View
Retailer 19
-
$4,224 SGD
View
Price last confirmed 31 days ago
B+
Retailer 20
-
$4,304 SGD
View
B
Retailer 21
-
$4,341 SGD
View
B
Retailer 22
-
$4,552 SGD
View
B
Retailer 23
-
$6,220 SGD
View
Retailer 24
-
$7,519 SGD
View
Price last confirmed 10 days ago
Most Expensive
B
NZ Jewellers
6391fe8e-3615-4d57-b729-822588072907 · Nov 5
$7,797 SGD
$6,084 USD
View
24 more retailers have this diamond
Prices start from $2,804 SGDSave up to $4,993 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
1.20ct Heart
$2,804 SGD