CaratHunter
Plans
Radiant|Natural|GIA

0.51ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 6214997326

Certificate GIA 6214997326

Diamond specifications and retailer prices

From $859 USD
£676 GBP
As of November 2, 2026
Save $795 USD (48%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,654 USD 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 $859 to $1,654, a $795 spread on the same certified stone. Diamond Exchange Canada lists it at $1,654. 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
Color
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

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,654 USD|Low: $840 USD|High: $1,654 USD|Avg: $1,254 USD
Diamond Exchange Canada
Retailer 2
November 2, 2026
Retailer 2$859 USD
Diamond Exchange Canada$1,654 USD

36 data points across 2 retailers

2 retailers$859 USD to $1,654 USD

B
Cheapest Retailer
-
$859 USD
£676 GBP
Most Expensive
C
Diamond Exchange Canada
1771509134 · Nov 2
$1,654 USD
CA$2,297 CAD
View
1 more retailer has this diamond
Prices start from $859 USDSave up to $795 USD

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
$859 USD