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Radiant|Natural|GIA

0.91ct I SI1 Radiant Natural Diamond

GD • I/SI1 • GIA 15889065

Certificate GIA 15889065

Diamond specifications and retailer prices

From $4,270 NZD
€2,288 EUR
As of November 2, 2026
Save $3,915 NZD (48%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $8,185 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 0.91ct natural radiant diamond

This 0.91ct natural radiant sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 15889065. Listed at 5 retailers as of November 2, 2026, with prices from $4,270 to $8,185, a $3,915 spread on the same certified stone. MOH London lists it at $8,185. 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
I
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishGood
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 15889065
Dimensions5.52 × 4.92 × 3.89 mm
L/W Ratio1.12
Key to symbols
Indented Natural, Crystal
Top View
5.52 mm4.92 mm0.91 ctI / SI1
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceMedium
CertificateGIA 15889065
Side View
Table 68.0%CrownGirdle: VTN-ETKPavilionCulet: NoneDepth 79.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $8,185 NZD|Low: $4,801 NZD|High: $8,273 NZD|Avg: $5,943 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3$4,993 NZD
Retailer 4$5,234 NZD
Retailer 2$5,472 NZD
MOH London$8,185 NZD

40 data points across 4 retailers

5 retailers$4,270 NZD to $8,185 NZD

B
Cheapest Retailer
-
$4,270 NZD
€2,288 EUR
C
Retailer 2
-
$4,993 NZD
£2,212 GBP
View
Retailer 3
-
$5,234 NZD
A$4,530 AUD
View
Price last confirmed 25 days ago
C
Retailer 4
-
$5,472 NZD
€2,932 EUR
View
Most Expensive
C
MOH London
EFC2CA9DC · Nov 2
$8,185 NZD
£3,626 GBP
View
4 more retailers have this diamond
Prices start from $4,270 NZDSave up to $3,915 NZD

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 Radiant
$4,270 NZD