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Oval|Natural|GIA

1.20ct E SI2 Oval Natural Diamond

EX • E/SI2 • GIA 6551712689

Certificate GIA 6551712689

Diamond specifications and retailer prices

From £1,932 GBP
HK$20,100 HKD
As of October 29, 2026
Save £2,539 GBP (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,471 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.2ct natural oval diamond

This 1.2ct natural oval sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551712689. Listed at 20 retailers as of October 27, 2026, with prices from £1,932 to £4,471, a £2,539 spread on the same certified stone. NZ Jewellers lists it at £4,471. 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

1.20
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.3°
Pavilion angle38.5°
OriginNatural
Grading LabGIA
CertificateGIA 6551712689
Dimensions8.07 × 5.93 × 3.85 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizeNone
Top View
8.07 mm5.93 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551712689
Side View
Table 63.0%Crown 40.3°Girdle: THN-THKPavilion 38.5°Culet: NoneDepth 64.9%

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 29
Current: £4,471 GBP|Low: £1,907 GBP|High: £4,605 GBP|Avg: £2,760 GBP|-2.9%
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
Retailer 20
October 29, 2026
Retailer 4£1,932 GBP
Retailer 16£2,015 GBP
Retailer 9£2,082 GBP
Retailer 10£2,146 GBP
Retailer 20£2,146 GBP
Retailer 7£2,325 GBP
Retailer 17£2,325 GBP
Retailer 18£2,414 GBP
Retailer 15£2,438 GBP
Retailer 8£2,504 GBP
Retailer 13£2,552 GBP
Retailer 6£2,643 GBP
Retailer 19£2,643 GBP
Retailer 2£2,682 GBP
Retailer 12£2,682 GBP
Retailer 3£2,733 GBP
Retailer 14£2,999 GBP
Retailer 5£3,046 GBP
Retailer 11£4,314 GBP
NZ Jewellers£4,471 GBP

28 data points across 20 retailers

20 retailers£1,932 GBP to £4,471 GBP

A
Cheapest Retailer
-
£1,932 GBP
HK$20,100 HKD
A
Retailer 2
-
£2,015 GBP
$2,684 USD
View
A
Retailer 3
-
£2,082 GBP
$2,773 USD
View
A
Retailer 4
-
£2,146 GBP
$2,858 USD
View
A
Retailer 5
-
£2,146 GBP
$2,858 USD
View
Final sale: no returns
A
Retailer 6
-
£2,325 GBP
$3,096 USD
View
A
Retailer 7
-
£2,325 GBP
$3,096 USD
View
A
Retailer 8
-
£2,414 GBP
$3,215 USD
View
A
Retailer 9
-
£2,438 GBP
$3,247 USD
View
B+
Retailer 10
-
£2,504 GBP
$3,335 USD
View
A
Retailer 11
-
£2,552 GBP
View
B+
Retailer 12
-
£2,643 GBP
$3,520 USD
View
B+
Retailer 13
-
£2,643 GBP
$3,520 USD
View
B+
Retailer 14
-
£2,682 GBP
View
B+
Retailer 15
-
£2,682 GBP
$3,572 USD
View
B+
Retailer 16
-
£2,733 GBP
$3,640 USD
View
B+
Retailer 17
-
£2,999 GBP
€3,804 EUR
View
B+
Retailer 18
-
£3,046 GBP
$4,056 USD
View
B
Retailer 19
-
£4,314 GBP
View
Most Expensive
B
NZ Jewellers
25dc1caa-099d-474c-ac20-daffdf7243e3 · Oct 27
£4,471 GBP
$5,954 USD
View
19 more retailers have this diamond
Prices start from £1,932 GBPSave up to £2,539 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
1.20ct Oval
£1,932 GBP