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Radiant|Natural|GIA

0.51ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 6214997326

Certificate GIA 6214997326

Diamond specifications and retailer prices

From $1,526 NZD
£676 GBP
As of November 2, 2026
Save $1,414 NZD (48%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,940 NZD at Diamond Exchange Canada · As of November 2, 2026
View at Diamond Exchange Canada

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter 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 6214997326. Listed at 2 retailers as of November 2, 2026, with prices from $1,526 to $2,940, a $1,414 spread on the same certified stone. Diamond Exchange Canada lists it at $2,940. 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

0.51
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6214997326
Dimensions5.51 × 3.76 × 2.61 mm
L/W Ratio1.47
Top View
5.51 mm3.76 mm0.51 ctJ / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateGIA 6214997326
Side View
Table 67.0%CrownGirdle: NUL-NULPavilionCuletDepth 69.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $2,940 NZD|Low: $1,493 NZD|High: $2,940 NZD|Avg: $2,229 NZD
Diamond Exchange Canada
Retailer 2
November 2, 2026
Retailer 2$1,526 NZD
Diamond Exchange Canada$2,940 NZD

36 data points across 2 retailers

2 retailers$1,526 NZD to $2,940 NZD

B
Cheapest Retailer
-
$1,526 NZD
£676 GBP
Most Expensive
C
Diamond Exchange Canada
1771509134 · Nov 2
$2,940 NZD
CA$2,297 CAD
View
1 more retailer has this diamond
Prices start from $1,526 NZDSave up to $1,414 NZD

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
0.51ct Radiant
$1,526 NZD