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Radiant|Natural|GIA

0.90ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 6422011904

Certificate GIA 6422011904

Diamond specifications and retailer prices

From £1,204 GBP
₹153,681 INR
As of October 31, 2026
Save £2,291 GBP (66%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,496 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6422011904. Listed at 17 retailers as of October 30, 2026, with prices from £1,204 to £3,496, a £2,291 spread on the same certified stone. NZ Jewellers lists it at £3,496. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6422011904
Dimensions6.43 × 4.93 × 3.27 mm
L/W Ratio1.30
Top View
6.43 mm4.93 mm0.90 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6422011904
Side View
Table 67.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 66.3%

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 31
Current: £1,204 GBP|Low: £1,158 GBP|High: £2,965 GBP|Avg: £1,748 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 1£1,204 GBP
Retailer 2£1,223 GBP
Retailer 7£1,506 GBP
Retailer 6£1,543 GBP
Retailer 3£1,835 GBP
Retailer 4£2,088 GBP
Retailer 5£2,946 GBP

38 data points across 7 retailers

17 retailers£1,204 GBP to £3,496 GBP

A
Cheapest Retailer
-
£1,204 GBP
₹153,681 INR
A
Retailer 2
-
£1,223 GBP
HK$12,800 HKD
View
B+
Retailer 3
-
£1,467 GBP
$1,965 USD
View
B+
Retailer 4
-
£1,506 GBP
$2,018 USD
View
B+
Retailer 5
-
£1,543 GBP
$2,068 USD
View
Final sale: no returns
B+
Retailer 6
-
£1,673 GBP
$2,241 USD
View
B+
Retailer 7
-
£1,673 GBP
$2,241 USD
View
B+
Retailer 8
-
£1,696 GBP
SGD 3,071 SGD
View
B+
Retailer 9
-
£1,749 GBP
$2,344 USD
View
B+
Retailer 10
-
£1,776 GBP
$2,380 USD
View
B+
Retailer 11
-
£1,784 GBP
A$3,678 AUD
View
B+
Retailer 12
-
£1,835 GBP
View
B+
Retailer 13
-
£1,929 GBP
$2,585 USD
View
B+
Retailer 14
-
£2,088 GBP
€2,664 EUR
View
B
Retailer 15
-
£2,719 GBP
$3,643 USD
View
B
Retailer 16
-
£2,946 GBP
View
Most Expensive
B
NZ Jewellers
264be77c-52d5-4188-a9c0-cdf287e57c3f · Oct 30
£3,496 GBP
$4,684 USD
View
16 more retailers have this diamond
Prices start from £1,204 GBPSave up to £2,291 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
£1,204 GBP