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Radiant|Natural|GIA

1.29ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 1383932756

Certificate GIA 1383932756

Diamond specifications and retailer prices

From $4,826 AUD
As of November 6, 2026
Save $2,420 AUD (33%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $7,246 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.29ct natural radiant diamond

This 1.29ct natural radiant 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 1383932756. Listed at 4 retailers as of November 6, 2026, with prices from $4,826 to $7,246, a $2,420 spread on the same certified stone. 77 Diamonds lists it at $7,246. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1383932756
Dimensions6.69 × 5.42 × 3.80 mm
L/W Ratio1.23
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.69 mm5.42 mm1.29 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1383932756
Side View
Table 66.0%CrownGirdle: VTK-NULPavilionCuletDepth 70.1%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $7,246 AUD|Low: $4,826 AUD|High: $7,334 AUD|Avg: $5,674 AUD|+1.1%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$4,826 AUD
Retailer 2$4,905 AUD
77 Diamonds$7,246 AUD

38 data points across 3 retailers

4 retailers$4,826 AUD to $7,246 AUD

B+
Cheapest Retailer
-
$4,826 AUD
B+
Retailer 2
-
$4,905 AUD
View
B+
Retailer 3
-
$5,289 AUD
View
Most Expensive
B
77 Diamonds
RADZNKVWCTHE · Nov 6
$7,246 AUD
£3,920 GBP
View
3 more retailers have this diamond
Prices start from $4,826 AUDSave up to $2,420 AUD

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 Radiant
$4,826 AUD