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Oval|Natural|GIA

1.31ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 1568583831

Certificate GIA 1568583831

Diamond specifications and retailer prices

From £2,608 GBP
HK$27,300 HKD
As of October 30, 2026
Save £3,858 GBP (60%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £6,466 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.31ct natural oval diamond

This 1.31ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1568583831. Listed at 20 retailers as of October 30, 2026, with prices from £2,608 to £6,466, a £3,858 spread on the same certified stone. NZ Jewellers lists it at £6,466. 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

1.31
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1568583831
Dimensions8.31 × 6.06 × 3.99 mm
L/W Ratio1.37
Girdle conditionFaceted
Top View
8.31 mm6.06 mm1.31 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568583831
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.9%

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 30
Current: £6,466 GBP|Low: £2,608 GBP|High: £6,466 GBP|Avg: £3,871 GBP|+2.0%
NZ Jewellers
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
October 30, 2026
Retailer 19£2,608 GBP
Retailer 17£2,847 GBP
Retailer 12£3,017 GBP
Retailer 4£3,090 GBP
Retailer 3£3,179 GBP
Retailer 15£3,347 GBP
Retailer 13£3,363 GBP
Retailer 11£3,414 GBP
Retailer 7£3,426 GBP
Retailer 18£3,493 GBP
Retailer 8£3,496 GBP
Retailer 2£3,631 GBP
Retailer 5£3,754 GBP
Retailer 10£3,787 GBP
Retailer 16£3,987 GBP
Retailer 9£4,598 GBP
Retailer 6£5,411 GBP
Retailer 14£5,943 GBP
NZ Jewellers£6,466 GBP

8 data points across 19 retailers

20 retailers£2,608 GBP to £6,466 GBP

A
Cheapest Retailer
-
£2,608 GBP
HK$27,300 HKD
A
Retailer 2
-
£2,847 GBP
$3,815 USD
View
A
Retailer 3
-
£3,017 GBP
€3,850 EUR
View
A
Retailer 4
-
£3,075 GBP
$4,120 USD
View
A
Retailer 5
-
£3,090 GBP
A$6,370 AUD
View
A
Retailer 6
-
£3,179 GBP
$4,259 USD
View
A
Retailer 7
-
£3,347 GBP
$4,484 USD
View
A
Retailer 8
-
£3,363 GBP
View
A
Retailer 9
-
£3,414 GBP
SGD 6,181 SGD
View
B+
Retailer 10
-
£3,426 GBP
$4,590 USD
View
Final sale: no returns
B+
Retailer 11
-
£3,493 GBP
$4,680 USD
View
A
Retailer 12
-
£3,496 GBP
$4,685 USD
View
B+
Retailer 13
-
£3,631 GBP
View
B+
Retailer 14
-
£3,754 GBP
$5,030 USD
View
B+
Retailer 15
-
£3,787 GBP
$5,074 USD
View
B+
Retailer 16
-
£3,987 GBP
€5,088 EUR
View
B
Retailer 17
-
£4,598 GBP
ZAR 99,526 ZAR
View
B
Retailer 18
-
£5,411 GBP
$7,250 USD
View
B
Retailer 19
-
£5,943 GBP
View
Most Expensive
B
NZ Jewellers
bef2a829-c458-42d4-93b7-da770fcbe308 · Oct 30
£6,466 GBP
$8,664 USD
View
19 more retailers have this diamond
Prices start from £2,608 GBPSave up to £3,858 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
1.31ct Oval
£2,608 GBP