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Oval|Natural|GIA

1.78ct M SI2 Oval Natural Diamond

VG • M/SI2 • GIA 5563041937

Certificate GIA 5563041937

Diamond specifications and retailer prices

From £2,530 GBP
As of November 6, 2026
Save £1,086 GBP (30%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,616 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.78ct natural oval diamond

This 1.78ct natural oval sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 5563041937. Listed at 5 retailers as of November 6, 2026, with prices from £2,530 to £3,616, a £1,086 spread on the same certified stone. Yorxs lists it at £3,616. 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

1.78
Carat
M
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563041937
Dimensions9.78 × 6.96 × 3.95 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
9.78 mm6.96 mm1.78 ctM / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563041937
Side View
Table 62.0%CrownGirdle: THN-STKPavilionCulet: SLGDepth 56.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,530 GBP|Low: £2,530 GBP|High: £4,314 GBP|Avg: £3,423 GBP|-17.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 6, 2026
Retailer 1£2,530 GBP
Retailer 4£2,884 GBP
Retailer 3£3,213 GBP
Retailer 2£3,324 GBP
Yorxs£3,616 GBP

44 data points across 5 retailers

5 retailers£2,530 GBP to £3,616 GBP

B+
Cheapest Retailer
-
£2,530 GBP
B
Retailer 2
-
£2,884 GBP
View
Retailer 3
-
£3,213 GBP
View
Price last confirmed 8 days ago
B
Retailer 4
-
£3,324 GBP
View
Most Expensive
B
Yorxs
5F9DE71E7 · Nov 6
£3,616 GBP
€4,610 EUR
View
4 more retailers have this diamond
Prices start from £2,530 GBPSave up to £1,086 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.

B+
1.78ct Oval
£2,530 GBP