Radiant|Natural|GIA

0.90ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 6551210208

Certificate GIA 6551210208

Diamond specifications and retailer prices

From $1,646 USD
As of October 28, 2026
Save $3,156 USD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,802 USD at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551210208. Listed at 12 retailers as of October 27, 2026, with prices from $1,646 to $4,802, a $3,156 spread on the same certified stone. NZ Jewellers lists it at $4,802. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551210208
Dimensions6.25 × 4.80 × 3.35 mm
L/W Ratio1.30
Girdle conditionPolished
Top View
6.25 mm4.80 mm0.90 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551210208
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,180 USD|Low: $1,372 USD|High: $3,491 USD|Avg: $2,255 USD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$1,646 USD
Retailer 7$1,814 USD
Retailer 9$2,180 USD
Retailer 1$2,180 USD
Retailer 8$2,268 USD
Retailer 6$2,286 USD
Retailer 4$2,300 USD
Retailer 3$2,537 USD
Retailer 2$3,468 USD

42 data points across 9 retailers

12 retailers$1,646 USD to $4,802 USD

A
Cheapest Retailer
-
$1,646 USD
Final sale: no returns
A
Retailer 2
-
$1,814 USD
View
B+
Retailer 3
-
$2,110 USD
View
B+
Retailer 4
-
$2,110 USD
View
B+
Retailer 5
-
$2,180 USD
View
B+
Retailer 6
-
$2,180 USD
£1,717 GBP
View
B+
Retailer 7
-
$2,268 USD
View
B+
Retailer 8
-
$2,286 USD
CA$3,175 CAD
View
B+
Retailer 9
-
$2,300 USD
£1,811 GBP
View
B+
Retailer 10
-
$2,537 USD
€2,416 EUR
View
B
Retailer 11
-
$3,468 USD
£2,731 GBP
View
Most Expensive
B
NZ Jewellers
59b18a2f-07e4-46fe-b831-934f26e28928 · Oct 27
$4,802 USD
View
11 more retailers have this diamond
Prices start from $1,646 USDSave up to $3,156 USD

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
$1,646 USD