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Oval|Natural|GIA

0.30ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 2557127855

Certificate GIA 2557127855

Diamond specifications and retailer prices

From £242 GBP
SGD 438 SGD
As of October 31, 2026
Save £189 GBP (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £431 GBP at Yorxs · As of October 31, 2026
View at Yorxs

About this 0.3ct natural oval diamond

This 0.3ct natural oval sits in the sub-half-carat band, graded G 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 2557127855. Listed at 11 retailers as of October 31, 2026, with prices from £242 to £431, a £189 spread on the same certified stone. Yorxs lists it at £431. 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

0.30
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.73°
Pavilion angle39.45°
OriginNatural
Grading LabGIA
CertificateGIA 2557127855
Dimensions5.27 × 3.74 × 2.32 mm
L/W Ratio1.41
Top View
5.27 mm3.74 mm0.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557127855
Side View
Table 60.0%Crown 39.73°Girdle: STK-VTKPavilion 39.45°Culet: NoneDepth 61.9%

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 31
Current: £323 GBP|Low: £154 GBP|High: £472 GBP|Avg: £312 GBP|+7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Yorxs
November 1, 2026
Retailer 3£154 GBP
Retailer 11£242 GBP
Retailer 9£246 GBP
Retailer 5£277 GBP
Retailer 6£285 GBP
Retailer 4£310 GBP
Retailer 7£314 GBP
Retailer 1£323 GBP
Retailer 8£331 GBP
Retailer 10£359 GBP
Yorxs£431 GBP
Retailer 2£472 GBP

35 data points across 12 retailers

11 retailers£242 GBP to £431 GBP

A
Cheapest Retailer
-
£242 GBP
SGD 438 SGD
A
Retailer 2
-
£246 GBP
$330 USD
View
B+
Retailer 3
-
£277 GBP
SGD 501 SGD
View
B+
Retailer 4
-
£285 GBP
$382 USD
View
B+
Retailer 5
-
£310 GBP
View
B
Retailer 6
-
£314 GBP
$421 USD
View
B
Retailer 7
-
£323 GBP
View
B+
Retailer 8
-
£335 GBP
$449 USD
View
B
Retailer 9
-
£338 GBP
$453 USD
View
B
Retailer 10
-
£359 GBP
$481 USD
View
Most Expensive
B
Yorxs
614272447 · Oct 31
£431 GBP
€550 EUR
View
10 more retailers have this diamond
Prices start from £242 GBPSave up to £189 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
0.30ct Oval
£242 GBP