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Radiant|Natural|GIA

1.02ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 5186516272

Certificate GIA 5186516272

Diamond specifications and retailer prices

From $1,977 NZD
As of November 4, 2026
Save $2,183 NZD (52%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,160 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.02ct natural radiant diamond

This 1.02ct natural radiant sits in the classic one-carat band, graded I 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 5186516272. Listed at 9 retailers as of November 4, 2026, with prices from $1,977 to $4,160, a $2,183 spread on the same certified stone. MOH London lists it at $4,160. 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

1.02
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5186516272
Dimensions6.31 × 5.03 × 3.55 mm
L/W Ratio1.25
Girdle conditionPolished
Culet sizeNone
Top View
6.31 mm5.03 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5186516272
Side View
Table 62.0%CrownGirdle: ThickPavilionCulet: NoneDepth 70.6%

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: Nov 4
Current: $4,160 NZD|Low: $1,977 NZD|High: $4,220 NZD|Avg: $2,720 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$1,977 NZD
Retailer 6$1,993 NZD
Retailer 5$2,064 NZD
Retailer 9$2,258 NZD
Retailer 4$2,574 NZD
Retailer 3$2,778 NZD
Retailer 7$2,976 NZD
Retailer 2$3,162 NZD
MOH London$4,160 NZD

37 data points across 9 retailers

9 retailers$1,977 NZD to $4,160 NZD

A
Cheapest Retailer
-
$1,977 NZD
Retailer 2
-
$1,993 NZD
View
Price last confirmed 10 days ago
Retailer 3
-
$2,064 NZD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$2,258 NZD
View
A
Retailer 5
-
$2,574 NZD
View
A
Retailer 6
-
$2,778 NZD
View
Retailer 7
-
$2,976 NZD
View
Price last confirmed 34 days ago
A
Retailer 8
-
$3,162 NZD
View
Most Expensive
B+
MOH London
5336C7C66 · Nov 4
$4,160 NZD
£1,816 GBP
View
8 more retailers have this diamond
Prices start from $1,977 NZDSave up to $2,183 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
1.02ct Radiant
$1,977 NZD