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Oval|Natural|GIA

1.21ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 6512485714

Certificate GIA 6512485714

Diamond specifications and retailer prices

From $4,633 SGD
As of November 7, 2026
Save $5,492 SGD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,125 SGD 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 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 6512485714. Listed at 18 retailers as of November 7, 2026, with prices from $4,633 to $10,125, a $5,492 spread on the same certified stone. NZ Jewellers lists it at $10,125. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6512485714
Dimensions8.49 × 5.71 × 3.62 mm
L/W Ratio1.49
Top View
8.49 mm5.71 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6512485714
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: $5,880 SGD|Low: $4,633 SGD|High: $9,368 SGD|Avg: $6,119 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 3$4,633 SGD
Retailer 2$4,946 SGD
Retailer 5$5,011 SGD
Retailer 6$5,337 SGD
Retailer 7$5,675 SGD
Retailer 4$5,858 SGD
Retailer 1$5,880 SGD
Retailer 11$5,902 SGD
Retailer 9$6,189 SGD
Retailer 13$6,575 SGD
Retailer 12$7,090 SGD
Retailer 8$7,315 SGD
Retailer 10$9,207 SGD

37 data points across 13 retailers

18 retailers$4,633 SGD to $10,125 SGD

B
Cheapest Retailer
-
$4,633 SGD
B+
Retailer 2
-
$4,946 SGD
View
B+
Retailer 3
-
$5,011 SGD
View
B
Retailer 4
-
$5,265 SGD
View
B
Retailer 5
-
$5,265 SGD
View
B
Retailer 6
-
$5,265 SGD
View
Retailer 7
-
$5,337 SGD
View
B
Retailer 8
-
$5,675 SGD
View
Retailer 9
-
$5,858 SGD
View
Price last confirmed 29 days ago
Retailer 10
-
$5,880 SGD
View
B
Retailer 11
-
$5,902 SGD
View
B
Retailer 12
-
$6,075 SGD
View
B
Retailer 13
-
$6,189 SGD
View
B
Retailer 14
-
$6,575 SGD
View
B
Retailer 15
-
$7,090 SGD
View
B
Retailer 16
-
$7,315 SGD
View
B
Retailer 17
-
$9,207 SGD
View
Most Expensive
B
NZ Jewellers
edce7938-a8a4-4108-9120-d4a5b64d9071 · Nov 7
$10,125 SGD
$7,900 USD
View
17 more retailers have this diamond
Prices start from $4,633 SGDSave up to $5,492 SGD

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
$4,633 SGD