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Oval|Natural|GIA

1.21ct J SI2 Oval Natural Diamond

ID • J/SI2 • GIA 5566816763

Certificate GIA 5566816763

Diamond specifications and retailer prices

From $1,859 USD
As of November 7, 2026
Save $3,161 USD (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,020 USD at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566816763. Listed at 16 retailers as of November 7, 2026, with prices from $1,859 to $5,020, a $3,161 spread on the same certified stone. NZ Jewellers lists it at $5,020. 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

1.21
Carat
J
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566816763
Dimensions8.30 × 5.91 × 3.71 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cavity, Indented Natural, Chip, Needle, Natural
Top View
8.30 mm5.91 mm1.21 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566816763
Side View
Table 62.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: $5,020 USD|Low: $1,859 USD|High: $5,020 USD|Avg: $2,499 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 7, 2026
Retailer 8$1,859 USD
Retailer 3$1,983 USD
Retailer 9$2,146 USD
Retailer 15$2,217 USD
Retailer 6$2,228 USD
Retailer 2$2,340 USD
Retailer 10$2,401 USD
Retailer 11$2,408 USD
Retailer 14$2,512 USD
Retailer 5$2,541 USD
Retailer 13$2,547 USD
Retailer 4$2,620 USD
Retailer 7$2,771 USD
Retailer 12$4,184 USD
NZ Jewellers$5,020 USD

3 data points across 15 retailers

16 retailers$1,859 USD to $5,020 USD

A
Cheapest Retailer
-
$1,859 USD
B+
Retailer 2
-
$1,983 USD
View
B+
Retailer 3
-
$2,036 USD
View
B+
Retailer 4
-
$2,146 USD
View
B+
Retailer 5
-
$2,217 USD
View
Final sale: no returns
B+
Retailer 6
-
$2,228 USD
View
B+
Retailer 7
-
$2,340 USD
View
B+
Retailer 8
-
$2,401 USD
View
B+
Retailer 9
-
$2,408 USD
View
B
Retailer 10
-
$2,512 USD
View
B
Retailer 11
-
$2,541 USD
View
B
Retailer 12
-
$2,547 USD
View
B
Retailer 13
-
$2,620 USD
View
B+
Retailer 14
-
$2,771 USD
View
B
Retailer 15
-
$4,184 USD
View
Most Expensive
B
NZ Jewellers
1fd62d36-e2ac-49d3-bf76-ae8dfe62ed83 · Nov 7
$5,020 USD
View
15 more retailers have this diamond
Prices start from $1,859 USDSave up to $3,161 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.

A
1.21ct Oval
$1,859 USD