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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 $6,644 AUD
As of November 5, 2026
Save $7,420 AUD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $14,064 AUD 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 $6,644 to $14,064, a $7,420 spread on the same certified stone. NZ Jewellers lists it at $14,064. 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: $8,158 AUD|Low: $6,445 AUD|High: $12,537 AUD|Avg: $8,480 AUD|-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$6,644 AUD
Retailer 7$7,031 AUD
Retailer 2$7,146 AUD
Retailer 10$7,284 AUD
Retailer 4$8,073 AUD
Retailer 1$8,158 AUD
Retailer 9$8,421 AUD
Retailer 3$9,136 AUD
Retailer 5$10,259 AUD
Retailer 6$12,353 AUD

37 data points across 10 retailers

16 retailers$6,644 AUD to $14,064 AUD

B+
Cheapest Retailer
-
$6,644 AUD
B+
Retailer 2
-
$7,031 AUD
View
Final sale: no returns
B+
Retailer 3
-
$7,146 AUD
View
B+
Retailer 4
-
$7,284 AUD
View
B+
Retailer 5
-
$7,618 AUD
View
B+
Retailer 6
-
$7,618 AUD
View
Retailer 7
-
$7,618 AUD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$8,073 AUD
View
B+
Retailer 9
-
$8,158 AUD
View
Retailer 10
-
$8,421 AUD
View
Price last confirmed 29 days ago
B
Retailer 11
-
$8,625 AUD
View
B
Retailer 12
-
$8,789 AUD
View
B
Retailer 13
-
$9,136 AUD
View
B
Retailer 14
-
$10,259 AUD
View
B
Retailer 15
-
$12,353 AUD
View
Most Expensive
B
NZ Jewellers
8b46fd96-65c0-43ad-a020-f4f68d6beccb · Nov 5
$14,064 AUD
$9,663 USD
View
15 more retailers have this diamond
Prices start from $6,644 AUDSave up to $7,420 AUD

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
$6,644 AUD