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Oval|Natural|GIA

1.59ct M SI1 Oval Natural Diamond

VG • M/SI1 • GIA 5231993317

Certificate GIA 5231993317

Diamond specifications and retailer prices

From £2,756 GBP
$3,689 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: £2,756 GBP at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 1.59ct natural oval diamond

This 1.59ct natural oval sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 5231993317. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.59
Carat
M
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231993317
Dimensions9.20 × 6.54 mm
L/W Ratio1.41
Top View
9.20 mm6.54 mm1.59 ctM / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231993317
Side View
Table 60.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 57.4%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 6
Current: £2,756 GBP|Low: £2,720 GBP|High: £2,910 GBP|Avg: £2,795 GBP|-5.3%
September 23, 2026
B2C Jewels£2,756 GBP

3 data points across 1 retailer

1 retailer

C
B2C Jewels
35211773 · Nov 6
£2,756 GBP
$3,689 USD
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C
1.59ct Oval
£2,756 GBP