Oval|Natural|GIA

1.21ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2537021463

Certificate GIA 2537021463

Diamond specifications and retailer prices

From $3,137 USD
As of November 4, 2026
Save $4,354 USD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,491 USD at NZ Jewellers · As of November 5, 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 I 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 2537021463. Listed at 20 retailers as of November 4, 2026, with prices from $3,137 to $7,491, a $4,354 spread on the same certified stone. NZ Jewellers lists it at $7,491. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2537021463
Dimensions8.61 × 5.74 × 3.67 mm
L/W Ratio1.50
Top View
8.61 mm5.74 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537021463
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.9%

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 4
Current: $4,329 USD|Low: $3,137 USD|High: $6,930 USD|Avg: $4,533 USD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$3,137 USD
Retailer 3$3,427 USD
Retailer 11$3,595 USD
Retailer 2$3,720 USD
Retailer 4$4,045 USD
Retailer 9$4,238 USD
Retailer 1$4,329 USD
Retailer 12$4,585 USD
Retailer 8$4,865 USD
Retailer 5$5,248 USD
Retailer 10$6,215 USD
Retailer 6$6,830 USD

46 data points across 12 retailers

20 retailers$3,137 USD to $7,491 USD

B+
Cheapest Retailer
-
$3,137 USD
B+
Retailer 2
-
$3,427 USD
View
B
Retailer 3
-
$3,595 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,720 USD
View
Retailer 5
-
$3,895 USD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$3,895 USD
View
B
Retailer 7
-
$4,045 USD
View
B
Retailer 8
-
$4,238 USD
View
B
Retailer 9
-
$4,329 USD
View
B
Retailer 10
-
$4,400 USD
View
B
Retailer 11
-
$4,400 USD
View
B
Retailer 12
-
$4,494 USD
View
B
Retailer 13
-
$4,540 USD
View
B
Retailer 14
-
$4,541 USD
View
Retailer 15
-
$4,585 USD
View
Price last confirmed 28 days ago
B
Retailer 16
-
$4,865 USD
View
B
Retailer 17
-
$5,248 USD
View
B
Retailer 18
-
$6,215 USD
View
B
Retailer 19
-
$6,830 USD
View
Most Expensive
B
NZ Jewellers
81d4bb3b-4d45-438a-afe8-31a16914d4ec · Nov 5
$7,491 USD
View
19 more retailers have this diamond
Prices start from $3,137 USDSave up to $4,354 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+
1.21ct Oval
$3,137 USD