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Radiant|Natural|GIA

0.90ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 6551210208

Certificate GIA 6551210208

Diamond specifications and retailer prices

From $2,920 NZD
$1,646 USD
As of October 30, 2026
Save $5,600 NZD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,520 NZD 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 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 30, 2026, with prices from $2,920 to $8,520, a $5,600 spread on the same certified stone. NZ Jewellers lists it at $8,520. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,520 NZD|Low: $2,434 NZD|High: $8,520 NZD|Avg: $4,465 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 6$2,920 NZD
Retailer 8$3,219 NZD
Retailer 2$3,836 NZD
Retailer 10$3,868 NZD
Retailer 9$4,024 NZD
Retailer 7$4,056 NZD
Retailer 5$4,081 NZD
Retailer 3$4,488 NZD
Retailer 4$6,154 NZD
NZ Jewellers$8,520 NZD

42 data points across 10 retailers

12 retailers$2,920 NZD to $8,520 NZD

A
Cheapest Retailer
-
$2,920 NZD
$1,646 USD
Final sale: no returns
A
Retailer 2
-
$3,219 NZD
$1,814 USD
View
B+
Retailer 3
-
$3,744 NZD
$2,110 USD
View
B+
Retailer 4
-
$3,744 NZD
$2,110 USD
View
B+
Retailer 5
-
$3,836 NZD
£1,702 GBP
View
B+
Retailer 6
-
$3,868 NZD
$2,180 USD
View
B+
Retailer 7
-
$4,024 NZD
$2,268 USD
View
B+
Retailer 8
-
$4,056 NZD
CA$3,175 CAD
View
B+
Retailer 9
-
$4,081 NZD
£1,811 GBP
View
B+
Retailer 10
-
$4,488 NZD
€2,409 EUR
View
B
Retailer 11
-
$6,154 NZD
£2,731 GBP
View
Most Expensive
B
NZ Jewellers
59b18a2f-07e4-46fe-b831-934f26e28928 · Oct 30
$8,520 NZD
$4,802 USD
View
11 more retailers have this diamond
Prices start from $2,920 NZDSave up to $5,600 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.

A
0.90ct Radiant
$2,920 NZD