CaratHunter
Plans
Oval|Natural|GIA

1.30ct H SI1 Oval Natural Diamond

ID • H/SI1 • GIA 1232988670

Certificate GIA 1232988670

Diamond specifications and retailer prices

From £2,352 GBP
As of November 6, 2026
Save £2,805 GBP (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,157 GBP 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 £2,352 to £5,157, a £2,805 spread on the same certified stone. MOH London lists it at £5,157. 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: £5,157 GBP|Low: £2,333 GBP|High: £5,205 GBP|Avg: £3,114 GBP|-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£2,352 GBP
Retailer 17£2,465 GBP
Retailer 18£2,484 GBP
Retailer 13£2,624 GBP
Retailer 3£2,702 GBP
Retailer 9£2,707 GBP
Retailer 2£2,799 GBP
Retailer 20£2,802 GBP
Retailer 7£2,820 GBP
Retailer 4£2,876 GBP
Retailer 16£2,959 GBP
Retailer 14£3,141 GBP
Retailer 11£3,250 GBP
Retailer 12£3,250 GBP
Retailer 5£3,326 GBP
Retailer 10£3,362 GBP
Retailer 8£3,663 GBP
Retailer 15£3,950 GBP
Retailer 19£4,711 GBP
MOH London£5,157 GBP

12 data points across 20 retailers

18 retailers£2,352 GBP to £5,157 GBP

A
Cheapest Retailer
-
£2,352 GBP
A
Retailer 2
-
£2,465 GBP
View
A
Retailer 3
-
£2,484 GBP
View
A
Retailer 4
-
£2,624 GBP
View
A
Retailer 5
-
£2,702 GBP
View
A
Retailer 6
-
£2,707 GBP
View
Final sale: no returns
B+
Retailer 7
-
£2,785 GBP
View
A
Retailer 8
-
£2,799 GBP
View
B+
Retailer 9
-
£2,802 GBP
View
B+
Retailer 10
-
£2,820 GBP
View
B+
Retailer 11
-
£2,876 GBP
View
B+
Retailer 12
-
£2,959 GBP
View
B+
Retailer 13
-
£3,141 GBP
View
B+
Retailer 14
-
£3,326 GBP
View
B+
Retailer 15
-
£3,663 GBP
View
B+
Retailer 16
-
£3,950 GBP
View
B
Retailer 17
-
£4,711 GBP
View
Most Expensive
B
MOH London
F1451FEAD · Nov 2
£5,157 GBP
View
17 more retailers have this diamond
Prices start from £2,352 GBPSave up to £2,805 GBP

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
£2,352 GBP