Radiant|Natural|GIA

0.90ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 1429523395

Certificate GIA 1429523395

Diamond specifications and retailer prices

From £879 GBP
HK$9,200 HKD
As of October 30, 2026
Save £2,221 GBP (72%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,100 GBP at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 0.9ct natural radiant diamond

This 0.9ct natural radiant sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1429523395. Listed at 16 retailers as of October 30, 2026, with prices from £879 to £3,100, a £2,221 spread on the same certified stone. Moon Ocean lists it at £3,100. 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

0.90
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1429523395
Dimensions6.15 × 4.66 × 3.24 mm
L/W Ratio1.32
Key to symbols
Crystal, Feather
Top View
6.15 mm4.66 mm0.90 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1429523395
Side View
Table 66.0%CrownGirdlePavilionCulet: NoneDepth 69.5%

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: Oct 30
Current: £3,100 GBP|Low: £879 GBP|High: £3,130 GBP|Avg: £1,449 GBP|-1.0%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 5£879 GBP
Retailer 7£993 GBP
Retailer 18£1,102 GBP
Retailer 10£1,107 GBP
Retailer 9£1,125 GBP
Retailer 6£1,142 GBP
Retailer 3£1,179 GBP
Retailer 14£1,194 GBP
Retailer 15£1,194 GBP
Retailer 13£1,249 GBP
Retailer 4£1,296 GBP
Retailer 2£1,338 GBP
Retailer 17£1,378 GBP
Retailer 12£1,628 GBP
Retailer 8£1,727 GBP
Retailer 11£2,103 GBP
Retailer 16£2,913 GBP
Moon Ocean£3,100 GBP

24 data points across 18 retailers

16 retailers£879 GBP to £3,100 GBP

A
Cheapest Retailer
-
£879 GBP
HK$9,200 HKD
B+
Retailer 2
-
£1,102 GBP
$1,476 USD
View
Final sale: no returns
B+
Retailer 3
-
£1,107 GBP
$1,483 USD
View
B+
Retailer 4
-
£1,142 GBP
$1,530 USD
View
B+
Retailer 5
-
£1,179 GBP
$1,580 USD
View
B+
Retailer 6
-
£1,194 GBP
$1,600 USD
View
B+
Retailer 7
-
£1,194 GBP
$1,600 USD
View
B+
Retailer 8
-
£1,233 GBP
SGD 2,232 SGD
View
B+
Retailer 9
-
£1,249 GBP
$1,674 USD
View
B+
Retailer 10
-
£1,296 GBP
$1,736 USD
View
B+
Retailer 11
-
£1,338 GBP
View
B+
Retailer 12
-
£1,378 GBP
$1,846 USD
View
B+
Retailer 13
-
£1,628 GBP
€2,078 EUR
View
B
Retailer 14
-
£2,103 GBP
View
B
Retailer 15
-
£2,913 GBP
$3,903 USD
View
Most Expensive
B
Moon Ocean
NVN-26569F29B-395 · Oct 30
£3,100 GBP
View
15 more retailers have this diamond
Prices start from £879 GBPSave up to £2,221 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
0.90ct Radiant
£879 GBP