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Oval|Natural|GIA

0.91ct K SI1 Oval Natural Diamond

GD • K/SI1 • GIA 1555721585

Certificate GIA 1555721585

Diamond specifications and retailer prices

From £679 GBP
As of November 5, 2026
Save £320 GBP (32%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £999 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 0.91ct natural oval diamond

This 0.91ct natural oval sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1555721585. Listed at 5 retailers as of November 5, 2026, with prices from £679 to £999, a £320 spread on the same certified stone. GemTrove lists it at £999. 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

0.91
Carat
K
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555721585
Dimensions7.24 × 5.38 × 3.58 mm
L/W Ratio1.35
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
7.24 mm5.38 mm0.91 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555721585
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.5%

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 5
Current: £999 GBP|Low: £667 GBP|High: £999 GBP|Avg: £773 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 3£679 GBP
Retailer 5£696 GBP
Retailer 2£698 GBP
Retailer 4£766 GBP
GemTrove£999 GBP

39 data points across 5 retailers

5 retailers£679 GBP to £999 GBP

B+
Cheapest Retailer
-
£679 GBP
B+
Retailer 2
-
£696 GBP
View
B+
Retailer 3
-
£698 GBP
View
B+
Retailer 4
-
£766 GBP
View
Most Expensive
B
GemTrove
GT-N-01283009-98 · Nov 6
£999 GBP
A$2,058 AUD
View
4 more retailers have this diamond
Prices start from £679 GBPSave up to £320 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+
0.91ct Oval
£679 GBP