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Oval|Natural|GIA

0.78ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 1232829696

Certificate GIA 1232829696

Diamond specifications and retailer prices

From £793 GBP
As of November 6, 2026
Save £419 GBP (35%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,211 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.78ct natural oval diamond

This 0.78ct natural oval sits in the just-under-one-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 1232829696. Listed at 3 retailers as of November 6, 2026, with prices from £793 to £1,211, a £419 spread on the same certified stone. 77 Diamonds lists it at £1,211. 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

0.78
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1232829696
Dimensions7.18 × 5.04 × 3.32 mm
L/W Ratio1.42
Top View
7.18 mm5.04 mm0.78 ctH / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceMedium
CertificateGIA 1232829696
Side View
Table 56.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 65.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £1,211 GBP|Low: £820 GBP|High: £1,223 GBP|Avg: £1,024 GBP|+0.3%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2£832 GBP
77 Diamonds£1,211 GBP

30 data points across 2 retailers

3 retailers£793 GBP to £1,211 GBP

B+
Cheapest Retailer
-
£793 GBP
B+
Retailer 2
-
£832 GBP
View
Most Expensive
B
77 Diamonds
OVMBJPYBPGTS · Nov 6
£1,211 GBP
View
2 more retailers have this diamond
Prices start from £793 GBPSave up to £419 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.

B+
0.78ct Oval
£793 GBP