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Oval|Natural|GIA

0.38ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 6561158183

Certificate GIA 6561158183

Diamond specifications and retailer prices

From £275 GBP
SGD 499 SGD
As of November 2, 2026
Save £206 GBP (43%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £481 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.38ct natural oval diamond

This 0.38ct natural oval sits in the sub-half-carat band, graded F 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 6561158183. Listed at 11 retailers as of November 2, 2026, with prices from £275 to £481, a £206 spread on the same certified stone. Yorxs lists it at £481. 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

0.38
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.95°
Pavilion angle41.16°
OriginNatural
Grading LabGIA
CertificateGIA 6561158183
Dimensions5.85 × 4.15 × 2.53 mm
L/W Ratio1.41
Culet sizeNone
Top View
5.85 mm4.15 mm0.38 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561158183
Side View
Table 60.0%Crown 36.95°Girdle: MED-STKPavilion 41.16°Culet: NoneDepth 61.0%

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: Nov 2
Current: £367 GBP|Low: £275 GBP|High: £491 GBP|Avg: £357 GBP|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
November 2, 2026
Retailer 7£275 GBP
Retailer 8£283 GBP
Retailer 4£305 GBP
Retailer 5£317 GBP
Retailer 2£353 GBP
Retailer 6£357 GBP
Retailer 1£367 GBP
Retailer 9£384 GBP
Retailer 3£411 GBP
Yorxs£481 GBP

45 data points across 10 retailers

11 retailers£275 GBP to £481 GBP

A
Cheapest Retailer
-
£275 GBP
SGD 499 SGD
A
Retailer 2
-
£283 GBP
$380 USD
View
A
Retailer 3
-
£283 GBP
$380 USD
View
A
Retailer 4
-
£305 GBP
SGD 553 SGD
View
B+
Retailer 5
-
£317 GBP
$425 USD
View
B+
Retailer 6
-
£353 GBP
View
B+
Retailer 7
-
£357 GBP
$479 USD
View
B+
Retailer 8
-
£367 GBP
View
B+
Retailer 9
-
£385 GBP
$516 USD
View
B
Retailer 10
-
£411 GBP
$552 USD
View
Most Expensive
B
Yorxs
607135973 · Nov 2
£481 GBP
€615 EUR
View
10 more retailers have this diamond
Prices start from £275 GBPSave up to £206 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
0.38ct Oval
£275 GBP