Radiant|Natural|GIA

0.90ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 1427523703

Certificate GIA 1427523703

Diamond specifications and retailer prices

From £1,041 GBP
HK$10,900 HKD
As of November 1, 2026
Save £2,387 GBP (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,428 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.9ct natural radiant diamond

This 0.9ct natural radiant sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1427523703. Listed at 18 retailers as of October 30, 2026, with prices from £1,041 to £3,428, a £2,387 spread on the same certified stone. NZ Jewellers lists it at £3,428. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1427523703
Dimensions6.19 × 4.74 × 3.30 mm
L/W Ratio1.31
Key to symbols
Twinning Wisp, Feather
Top View
6.19 mm4.74 mm0.90 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1427523703
Side View
Table 66.0%CrownGirdlePavilionCulet: NoneDepth 69.6%

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: Nov 1
Current: £3,428 GBP|Low: £397 GBP|High: £3,428 GBP|Avg: £1,715 GBP
NZ Jewellers
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
November 1, 2026
Retailer 12£1,041 GBP
Retailer 5£1,297 GBP
Retailer 8£1,340 GBP
Retailer 9£1,351 GBP
Retailer 6£1,356 GBP
Retailer 3£1,405 GBP
Retailer 17£1,405 GBP
Retailer 7£1,440 GBP
Retailer 16£1,470 GBP
Retailer 11£1,528 GBP
Retailer 4£1,622 GBP
Retailer 15£1,642 GBP
Retailer 14£1,919 GBP
Retailer 13£2,073 GBP
Retailer 10£2,462 GBP
Retailer 2£2,704 GBP
NZ Jewellers£3,428 GBP

26 data points across 17 retailers

18 retailers£1,041 GBP to £3,428 GBP

A
Cheapest Retailer
-
£1,041 GBP
HK$10,900 HKD
B+
Retailer 2
-
£1,280 GBP
$1,715 USD
View
B+
Retailer 3
-
£1,297 GBP
$1,738 USD
View
Final sale: no returns
B+
Retailer 4
-
£1,351 GBP
$1,810 USD
View
B+
Retailer 5
-
£1,356 GBP
$1,817 USD
View
B+
Retailer 6
-
£1,405 GBP
$1,883 USD
View
B+
Retailer 7
-
£1,405 GBP
$1,883 USD
View
B+
Retailer 8
-
£1,440 GBP
$1,930 USD
View
B+
Retailer 9
-
£1,449 GBP
SGD 2,624 SGD
View
B+
Retailer 10
-
£1,470 GBP
$1,970 USD
View
B+
Retailer 11
-
£1,528 GBP
View
B+
Retailer 12
-
£1,622 GBP
$2,173 USD
View
B+
Retailer 13
-
£1,642 GBP
View
B
Retailer 14
-
£1,919 GBP
€2,449 EUR
View
B
Retailer 15
-
£2,073 GBP
ZAR 44,868 ZAR
View
B
Retailer 16
-
£2,462 GBP
View
B
Retailer 17
-
£2,704 GBP
View
Most Expensive
B
NZ Jewellers
5dfa3770-efca-410c-a0d4-38e67a347614 · Oct 30
£3,428 GBP
$4,593 USD
View
17 more retailers have this diamond
Prices start from £1,041 GBPSave up to £2,387 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
£1,041 GBP