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Heart|Natural|GIA

1.20ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 6247051045

Certificate GIA 6247051045

Diamond specifications and retailer prices

From $2,536 SGD
As of November 5, 2026
Save $3,650 SGD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,186 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6247051045. Listed at 6 retailers as of November 5, 2026, with prices from $2,536 to $6,186, a $3,650 spread on the same certified stone. NZ Jewellers lists it at $6,186. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Pavilion angle38.34°
OriginNatural
Grading LabGIA
CertificateGIA 6247051045
Dimensions6.61 × 7.21 × 4.32 mm
L/W Ratio1.09
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
6.61 mm7.21 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6247051045
Side View
Table 60.0%CrownGirdle: THK-VTKPavilion 38.34°CuletDepth 60.0%

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 5
Current: $6,186 SGD|Low: $2,536 SGD|High: $6,235 SGD|Avg: $4,115 SGD|-0.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 6$2,536 SGD
Retailer 5$2,653 SGD
Retailer 4$2,994 SGD
Retailer 3$3,876 SGD
Retailer 2$4,432 SGD
NZ Jewellers$6,186 SGD

26 data points across 6 retailers

6 retailers$2,536 SGD to $6,186 SGD

A
Cheapest Retailer
-
$2,536 SGD
A
Retailer 2
-
$2,653 SGD
View
B+
Retailer 3
-
$2,994 SGD
View
B+
Retailer 4
-
$3,876 SGD
View
B+
Retailer 5
-
$4,432 SGD
View
Most Expensive
B
NZ Jewellers
8e1df945-76d9-4943-91bb-11abc9b194d6 · Nov 5
$6,186 SGD
$4,827 USD
View
5 more retailers have this diamond
Prices start from $2,536 SGDSave up to $3,650 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
$2,536 SGD