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Radiant|Natural|GIA

0.51ct H SI1 Radiant Natural Diamond

VG • H/SI1 • GIA 2221035861

Certificate GIA 2221035861

Diamond specifications and retailer prices

From $1,215 CAD
$870 USD
As of October 31, 2026
Save $1,446 CAD (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,545 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2221035861. Listed at 22 retailers as of October 31, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
H
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2221035861
Dimensions4.93 × 3.96 × 2.96 mm
L/W Ratio1.24
Culet sizeNone
Top View
4.93 mm3.96 mm0.51 ctH / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 2221035861
Side View
Table 76.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 74.8%

Caratlytics Score

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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: Oct 31
Current: $2,661 CAD|Low: $1,013 CAD|High: $2,695 CAD|Avg: $1,769 CAD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$1,215 CAD
Retailer 10$1,215 CAD
Retailer 2$1,317 CAD
Retailer 9$1,530 CAD
Retailer 3$1,671 CAD
Retailer 4$1,705 CAD
Retailer 7$1,821 CAD
Retailer 5$1,877 CAD
Retailer 11$1,900 CAD
Retailer 6$2,243 CAD
Retailer 1$2,661 CAD

43 data points across 11 retailers

22 retailers$1,215 CAD to $2,661 CAD

Retailer 1
-
$1,215 CAD
$870 USD
Price last confirmed 11 days ago
B
Retailer 2
-
$1,215 CAD
$870 USD
View
Final sale: no returns
B
Retailer 3
-
$1,301 CAD
$931 USD
View
B
Retailer 4
-
$1,317 CAD
$943 USD
View
B
Retailer 5
-
$1,317 CAD
$943 USD
View
B
Retailer 6
-
$1,330 CAD
$952 USD
View
B
Retailer 7
-
$1,368 CAD
$979 USD
View
B
Retailer 8
-
$1,520 CAD
$1,088 USD
View
B
Retailer 9
-
$1,530 CAD
$1,095 USD
View
B
Retailer 10
-
$1,606 CAD
$1,150 USD
View
B
Retailer 11
-
$1,606 CAD
$1,150 USD
View
B
Retailer 12
-
$1,636 CAD
$1,171 USD
View
B
Retailer 13
-
$1,662 CAD
$1,190 USD
View
B
Retailer 14
-
$1,671 CAD
$1,196 USD
View
B
Retailer 15
-
$1,705 CAD
£961 GBP
View
B
Retailer 16
-
$1,821 CAD
£1,027 GBP
View
B
Retailer 17
-
$1,877 CAD
€1,280 EUR
View
Retailer 18
-
$1,900 CAD
A$2,093 AUD
View
Price last confirmed 28 days ago
B
Retailer 19
-
$2,243 CAD
ZAR 25,945 ZAR
View
C
Retailer 20
-
$2,356 CAD
View
B
Retailer 21
-
$2,661 CAD
£1,500 GBP
View
Most Expensive
NZ Jewellers
0278a8b5-d79f-4106-b7d1-48121d563f08 · Oct 30
$3,545 CAD
$2,538 USD
View
Price under review
21 more retailers have this diamond
Prices start from $1,215 CADSave up to $1,446 CAD

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
$1,215 CAD