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Oval|Natural|GIA

1.30ct H SI1 Oval Natural Diamond

ID • H/SI1 • GIA 1232988670

Certificate GIA 1232988670

Diamond specifications and retailer prices

From $4,428 CAD
As of November 6, 2026
Save $5,281 CAD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,709 CAD at MOH London · As of November 2, 2026
View at MOH London

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 H 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 1232988670. Listed at 18 retailers as of November 2, 2026, with prices from $4,428 to $9,709, a $5,281 spread on the same certified stone. MOH London lists it at $9,709. 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
H
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1232988670
Dimensions8.43 × 5.97 × 3.81 mm
L/W Ratio1.41
Girdle conditionFaceted
Top View
8.43 mm5.97 mm1.30 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1232988670
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $9,709 CAD|Low: $4,393 CAD|High: $9,800 CAD|Avg: $5,863 CAD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 6$4,428 CAD
Retailer 17$4,640 CAD
Retailer 18$4,677 CAD
Retailer 13$4,940 CAD
Retailer 3$5,088 CAD
Retailer 9$5,096 CAD
Retailer 2$5,269 CAD
Retailer 20$5,275 CAD
Retailer 7$5,310 CAD
Retailer 4$5,415 CAD
Retailer 16$5,570 CAD
Retailer 14$5,913 CAD
Retailer 11$6,119 CAD
Retailer 12$6,119 CAD
Retailer 5$6,262 CAD
Retailer 10$6,330 CAD
Retailer 8$6,897 CAD
Retailer 15$7,437 CAD
Retailer 19$8,870 CAD
MOH London$9,709 CAD

12 data points across 20 retailers

18 retailers$4,428 CAD to $9,709 CAD

A
Cheapest Retailer
-
$4,428 CAD
A
Retailer 2
-
$4,640 CAD
View
A
Retailer 3
-
$4,677 CAD
View
A
Retailer 4
-
$4,940 CAD
View
A
Retailer 5
-
$5,088 CAD
View
A
Retailer 6
-
$5,096 CAD
View
Final sale: no returns
B+
Retailer 7
-
$5,244 CAD
View
A
Retailer 8
-
$5,269 CAD
View
B+
Retailer 9
-
$5,275 CAD
View
B+
Retailer 10
-
$5,310 CAD
View
B+
Retailer 11
-
$5,415 CAD
View
B+
Retailer 12
-
$5,570 CAD
View
B+
Retailer 13
-
$5,913 CAD
View
B+
Retailer 14
-
$6,262 CAD
View
B+
Retailer 15
-
$6,897 CAD
View
B+
Retailer 16
-
$7,437 CAD
View
B
Retailer 17
-
$8,870 CAD
View
Most Expensive
B
MOH London
F1451FEAD · Nov 2
$9,709 CAD
£5,435 GBP
View
17 more retailers have this diamond
Prices start from $4,428 CADSave up to $5,281 CAD

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.

A
1.30ct Oval
$4,428 CAD