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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 $4,034 SGD
As of November 6, 2026
Save $4,812 SGD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,846 SGD 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 $4,034 to $8,846, a $4,812 spread on the same certified stone. MOH London lists it at $8,846. 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
Colour
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: $8,846 SGD|Low: $4,002 SGD|High: $8,929 SGD|Avg: $5,342 SGD|-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$4,034 SGD
Retailer 17$4,228 SGD
Retailer 18$4,261 SGD
Retailer 13$4,501 SGD
Retailer 3$4,636 SGD
Retailer 9$4,643 SGD
Retailer 2$4,801 SGD
Retailer 20$4,806 SGD
Retailer 7$4,838 SGD
Retailer 4$4,934 SGD
Retailer 16$5,075 SGD
Retailer 14$5,388 SGD
Retailer 11$5,575 SGD
Retailer 12$5,575 SGD
Retailer 5$5,706 SGD
Retailer 10$5,767 SGD
Retailer 8$6,284 SGD
Retailer 15$6,776 SGD
Retailer 19$8,082 SGD
MOH London$8,846 SGD

12 data points across 20 retailers

18 retailers$4,034 SGD to $8,846 SGD

A
Cheapest Retailer
-
$4,034 SGD
A
Retailer 2
-
$4,228 SGD
View
A
Retailer 3
-
$4,261 SGD
View
A
Retailer 4
-
$4,501 SGD
View
A
Retailer 5
-
$4,636 SGD
View
A
Retailer 6
-
$4,643 SGD
View
Final sale: no returns
B+
Retailer 7
-
$4,778 SGD
View
A
Retailer 8
-
$4,801 SGD
View
B+
Retailer 9
-
$4,806 SGD
View
B+
Retailer 10
-
$4,838 SGD
View
B+
Retailer 11
-
$4,934 SGD
View
B+
Retailer 12
-
$5,075 SGD
View
B+
Retailer 13
-
$5,388 SGD
View
B+
Retailer 14
-
$5,706 SGD
View
B+
Retailer 15
-
$6,284 SGD
View
B+
Retailer 16
-
$6,776 SGD
View
B
Retailer 17
-
$8,082 SGD
View
Most Expensive
B
MOH London
F1451FEAD · Nov 2
$8,846 SGD
£5,435 GBP
View
17 more retailers have this diamond
Prices start from $4,034 SGDSave up to $4,812 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.

A
1.30ct Oval
$4,034 SGD