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Oval|Natural|GIA

1.27ct H SI2 Oval Natural Diamond

ID • H/SI2 • GIA 3565533183

Certificate GIA 3565533183

Diamond specifications and retailer prices

From £1,434 GBP
As of November 6, 2026
Save £665 GBP (32%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,099 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.27ct natural oval diamond

This 1.27ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565533183. Listed at 6 retailers as of November 6, 2026, with prices from £1,434 to £2,099, a £665 spread on the same certified stone. Brilliant Earth lists it at £2,099. 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

1.27
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 3565533183
Dimensions8.44 × 6.02 × 3.85 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Cloud, Needle
Top View
8.44 mm6.02 mm1.27 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3565533183
Side View
Table 62.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £2,099 GBP|Low: £1,434 GBP|High: £2,182 GBP|Avg: £1,791 GBP|-3.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£1,434 GBP
Retailer 4£1,520 GBP
Retailer 2£1,699 GBP
Retailer 6£1,745 GBP
Retailer 3£2,001 GBP
Brilliant Earth£2,099 GBP

12 data points across 6 retailers

6 retailers£1,434 GBP to £2,099 GBP

A
Cheapest Retailer
-
£1,434 GBP
A
Retailer 2
-
£1,520 GBP
View
A
Retailer 3
-
£1,699 GBP
View
A
Retailer 4
-
£1,745 GBP
View
A
Retailer 5
-
£2,001 GBP
View
Most Expensive
A
Brilliant Earth
21769209A · Nov 6
£2,099 GBP
$2,810 USD
View
5 more retailers have this diamond
Prices start from £1,434 GBPSave up to £665 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
1.27ct Oval
£1,434 GBP