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Heart|Natural|GIA

1.20ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 3405774054

Certificate GIA 3405774054

Diamond specifications and retailer prices

From $3,562 SGD
As of November 4, 2026
Save $4,520 SGD (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $8,082 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3405774054. Listed at 25 retailers as of November 4, 2026, with prices from $3,562 to $8,082, a $4,520 spread on the same certified stone. NZ Jewellers lists it at $8,082. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3405774054
Dimensions6.20 × 7.30 × 4.51 mm
L/W Ratio1.18
Top View
6.20 mm7.30 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 3405774054
Side View
Table 61.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 61.8%

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 4
Current: $8,082 SGD|Low: $3,605 SGD|High: $8,082 SGD|Avg: $5,141 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$3,605 SGD
Retailer 6$3,685 SGD
Retailer 4$3,732 SGD
Retailer 8$4,202 SGD
Retailer 7$4,364 SGD
Retailer 9$4,513 SGD
Retailer 2$4,561 SGD
Retailer 3$4,801 SGD
Retailer 5$7,737 SGD
NZ Jewellers$8,082 SGD

45 data points across 10 retailers

25 retailers$3,562 SGD to $8,082 SGD

B+
Cheapest Retailer
-
$3,562 SGD
B+
Retailer 2
-
$3,605 SGD
View
B+
Retailer 3
-
$3,685 SGD
View
Final sale: no returns
B+
Retailer 4
-
$3,717 SGD
View
B+
Retailer 5
-
$3,732 SGD
View
B+
Retailer 6
-
$3,869 SGD
View
B
Retailer 7
-
$3,947 SGD
View
Retailer 8
-
$4,202 SGD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$4,202 SGD
View
B+
Retailer 10
-
$4,222 SGD
View
B
Retailer 11
-
$4,296 SGD
View
B
Retailer 12
-
$4,364 SGD
View
B
Retailer 13
-
$4,513 SGD
View
B+
Retailer 14
-
$4,561 SGD
View
B
Retailer 15
-
$4,568 SGD
View
B
Retailer 16
-
$4,768 SGD
View
B
Retailer 17
-
$4,768 SGD
View
B
Retailer 18
-
$4,801 SGD
View
B
Retailer 19
-
$4,850 SGD
View
B
Retailer 20
-
$4,921 SGD
View
Retailer 21
-
$5,256 SGD
View
Price last confirmed 15 days ago
B
Retailer 22
-
$5,451 SGD
View
B
Retailer 23
-
$6,699 SGD
View
B
Retailer 24
-
$7,737 SGD
View
Most Expensive
B
NZ Jewellers
17851e43-8b72-421c-a01c-b4fbbf250948 · Nov 5
$8,082 SGD
$6,306 USD
View
24 more retailers have this diamond
Prices start from $3,562 SGDSave up to $4,520 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+
1.20ct Heart
$3,562 SGD