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Oval|Natural|GIA

1.30ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 1236766711

Certificate GIA 1236766711

Diamond specifications and retailer prices

From $5,851 SGD
As of November 5, 2026
Save $6,534 SGD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,384 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural oval diamond

This 1.3ct natural oval sits in the one-and-a-quarter to one-and-a-half 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 1236766711. Listed at 16 retailers as of November 5, 2026, with prices from $5,851 to $12,384, a $6,534 spread on the same certified stone. NZ Jewellers lists it at $12,384. 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

1.30
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.72°
Pavilion angle39.4°
OriginNatural
Grading LabGIA
CertificateGIA 1236766711
Dimensions8.81 × 5.97 × 3.72 mm
L/W Ratio1.48
Girdle conditionVery Thick
Key to symbols
Feather, Crystal, Needle
Top View
8.81 mm5.97 mm1.30 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1236766711
Side View
Table 58.0%Crown 35.72°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 62.3%

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 5
Current: $7,183 SGD|Low: $5,675 SGD|High: $11,040 SGD|Avg: $7,467 SGD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$5,851 SGD
Retailer 7$6,191 SGD
Retailer 2$6,293 SGD
Retailer 10$6,414 SGD
Retailer 4$7,109 SGD
Retailer 1$7,183 SGD
Retailer 9$7,415 SGD
Retailer 3$8,045 SGD
Retailer 5$9,034 SGD
Retailer 6$10,878 SGD

37 data points across 10 retailers

16 retailers$5,851 SGD to $12,384 SGD

B+
Cheapest Retailer
-
$5,851 SGD
B+
Retailer 2
-
$6,191 SGD
View
Final sale: no returns
B+
Retailer 3
-
$6,293 SGD
View
B+
Retailer 4
-
$6,414 SGD
View
B+
Retailer 5
-
$6,708 SGD
View
B+
Retailer 6
-
$6,708 SGD
View
Retailer 7
-
$6,708 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$7,109 SGD
View
B+
Retailer 9
-
$7,183 SGD
View
Retailer 10
-
$7,415 SGD
View
Price last confirmed 28 days ago
B
Retailer 11
-
$7,595 SGD
View
B
Retailer 12
-
$7,740 SGD
View
B
Retailer 13
-
$8,045 SGD
View
B
Retailer 14
-
$9,034 SGD
View
B
Retailer 15
-
$10,878 SGD
View
Most Expensive
B
NZ Jewellers
8b46fd96-65c0-43ad-a020-f4f68d6beccb · Nov 5
$12,384 SGD
$9,663 USD
View
15 more retailers have this diamond
Prices start from $5,851 SGDSave up to $6,534 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+
1.30ct Oval
$5,851 SGD