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Heart|Natural|GIA

1.29ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2135717114

Certificate GIA 2135717114

Diamond specifications and retailer prices

From $5,689 SGD
As of November 7, 2026
Save $3,256 SGD (36%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $8,945 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.29ct natural heart diamond

This 1.29ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded J 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 2135717114. Listed at 5 retailers as of November 2, 2026, with prices from $5,689 to $8,945, a $3,256 spread on the same certified stone. MOH London lists it at $8,945. 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

1.29
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2135717114
Dimensions7.66 × 7.82 × 3.60 mm
L/W Ratio1.02
Culet sizeMedium
Top View
7.66 mm7.82 mm1.29 ctJ / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2135717114
Side View
Table 62.0%CrownGirdle: VTN-THKPavilionCulet: MediumDepth 46.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 7
Current: $8,945 SGD|Low: $5,589 SGD|High: $9,053 SGD|Avg: $6,756 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 2$5,689 SGD
Retailer 4$5,990 SGD
Retailer 3$6,320 SGD
MOH London$8,945 SGD

46 data points across 4 retailers

5 retailers$5,689 SGD to $8,945 SGD

B
Cheapest Retailer
-
$5,689 SGD
Retailer 2
-
$5,990 SGD
View
Price last confirmed 29 days ago
B
Retailer 3
-
$6,320 SGD
View
Retailer 4
-
$6,353 SGD
View
Price last confirmed 15 days ago
Most Expensive
C
MOH London
7716E9087 · Nov 2
$8,945 SGD
£5,496 GBP
View
4 more retailers have this diamond
Prices start from $5,689 SGDSave up to $3,256 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
1.29ct Heart
$5,689 SGD