Oval|Natural|GIA

1.30ct H SI1 Oval Natural Diamond

ID • H/SI1 • GIA 1232988670

Certificate GIA 1232988670

Diamond specifications and retailer prices

From $3,174 USD
HK$24,800 HKD
As of October 31, 2026
Save $3,793 USD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,967 USD at MOH London · As of October 26, 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 16 retailers as of October 26, 2026, with prices from $3,174 to $6,967, a $3,793 spread on the same certified stone. MOH London lists it at $6,967. 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: Oct 31
Current: $6,967 USD|Low: $3,149 USD|High: $6,967 USD|Avg: $4,133 USD
MOH London
Retailer 2
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Retailer 23
October 31, 2026
Retailer 17$3,174 USD
Retailer 15$3,289 USD
Retailer 18$3,326 USD
Retailer 4$3,353 USD
Retailer 12$3,532 USD
Retailer 3$3,557 USD
Retailer 2$3,593 USD
Retailer 6$3,646 USD
Retailer 7$3,775 USD
Retailer 21$3,775 USD
Retailer 5$3,806 USD
Retailer 14$3,853 USD
Retailer 8$3,880 USD
Retailer 19$4,034 USD
Retailer 23$4,274 USD
Retailer 10$4,350 USD
Retailer 11$4,350 USD
Retailer 22$4,488 USD
Retailer 9$4,500 USD
Retailer 20$4,946 USD
Retailer 13$5,370 USD
Retailer 16$6,178 USD
MOH London$6,967 USD

6 data points across 23 retailers

16 retailers$3,174 USD to $6,967 USD

A
Cheapest Retailer
-
$3,174 USD
HK$24,800 HKD
A
Retailer 2
-
$3,326 USD
View
A
Retailer 3
-
$3,353 USD
View
Retailer 4
-
$3,557 USD
€3,388 EUR
View
Price last confirmed 4 days ago
A
Retailer 5
-
$3,593 USD
View
Final sale: no returns
B+
Retailer 6
-
$3,646 USD
A$5,609 AUD
View
B+
Retailer 7
-
$3,775 USD
View
B+
Retailer 8
-
$3,775 USD
View
B+
Retailer 9
-
$3,806 USD
View
B+
Retailer 10
-
$3,880 USD
View
B+
Retailer 11
-
$4,034 USD
£3,176 GBP
View
B+
Retailer 12
-
$4,274 USD
£3,366 GBP
View
B+
Retailer 13
-
$4,488 USD
View
B
Retailer 14
-
$4,946 USD
€4,710 EUR
View
B
Retailer 15
-
$5,370 USD
ZAR 86,754 ZAR
View
Most Expensive
B
MOH London
F1451FEAD · Oct 26
$6,967 USD
£5,486 GBP
View
15 more retailers have this diamond
Prices start from $3,174 USDSave up to $3,793 USD

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
$3,174 USD