Oval|Natural|GIA

1.21ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 3545127187

Certificate GIA 3545127187

Diamond specifications and retailer prices

From $5,166 SGD
As of November 6, 2026
Save $5,768 SGD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,935 SGD 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 G 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 3545127187. Listed at 19 retailers as of November 5, 2026, with prices from $5,166 to $10,935, a $5,768 spread on the same certified stone. NZ Jewellers lists it at $10,935. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 3545127187
Dimensions8.53 × 5.82 × 3.63 mm
L/W Ratio1.47
Top View
8.53 mm5.82 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3545127187
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.3%

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 6
Current: $6,958 SGD|Low: $5,467 SGD|High: $10,539 SGD|Avg: $7,037 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 7$5,467 SGD
Retailer 10$5,601 SGD
Retailer 9$5,924 SGD
Retailer 4$6,437 SGD
Retailer 8$6,590 SGD
Retailer 2$6,835 SGD
Retailer 1$6,958 SGD
Retailer 5$7,358 SGD
Retailer 6$7,977 SGD
Retailer 3$10,358 SGD

46 data points across 10 retailers

19 retailers$5,166 SGD to $10,935 SGD

B+
Cheapest Retailer
-
$5,166 SGD
B+
Retailer 2
-
$5,467 SGD
View
Final sale: no returns
B+
Retailer 3
-
$5,513 SGD
View
B+
Retailer 4
-
$5,601 SGD
View
Retailer 5
-
$5,924 SGD
View
Price last confirmed 9 days ago
B
Retailer 6
-
$5,924 SGD
View
B
Retailer 7
-
$5,924 SGD
View
B
Retailer 8
-
$6,437 SGD
View
Retailer 9
-
$6,590 SGD
View
Price last confirmed 29 days ago
B
Retailer 10
-
$6,652 SGD
View
B
Retailer 11
-
$6,652 SGD
View
B
Retailer 12
-
$6,730 SGD
View
B
Retailer 13
-
$6,835 SGD
View
B
Retailer 14
-
$6,869 SGD
View
B
Retailer 15
-
$6,958 SGD
View
B
Retailer 16
-
$7,358 SGD
View
B
Retailer 17
-
$7,977 SGD
View
B
Retailer 18
-
$10,358 SGD
View
Most Expensive
B
NZ Jewellers
73eb8bfa-213b-4f4a-82e2-5d2c42b032b2 · Nov 5
$10,935 SGD
$8,532 USD
View
18 more retailers have this diamond
Prices start from $5,166 SGDSave up to $5,768 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
$5,166 SGD