Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 2447669421

Certificate GIA 2447669421

Diamond specifications and retailer prices

From $5,847 NZD
$3,290 USD
As of November 1, 2026
Save $6,821 NZD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,669 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct 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 2447669421. Listed at 17 retailers as of October 30, 2026, with prices from $5,847 to $12,669, a $6,821 spread on the same certified stone. NZ Jewellers lists it at $12,669. 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

1.20
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2447669421
Dimensions6.83 × 5.30 × 3.65 mm
L/W Ratio1.29
Top View
6.83 mm5.30 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2447669421
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $7,092 NZD|Low: $6,187 NZD|High: $12,306 NZD|Avg: $8,049 NZD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$6,187 NZD
Retailer 9$6,841 NZD
Retailer 1$7,092 NZD
Retailer 3$7,438 NZD
Retailer 6$7,470 NZD
Retailer 8$7,796 NZD
Retailer 2$8,226 NZD
Retailer 5$8,938 NZD
Retailer 4$12,159 NZD

37 data points across 9 retailers

17 retailers$5,847 NZD to $12,669 NZD

B+
Cheapest Retailer
-
$5,847 NZD
$3,290 USD
B+
Retailer 2
-
$6,187 NZD
$3,481 USD
View
B
Retailer 3
-
$6,587 NZD
$3,706 USD
View
B
Retailer 4
-
$6,841 NZD
$3,849 USD
View
B
Retailer 5
-
$7,092 NZD
£3,142 GBP
View
B
Retailer 6
-
$7,438 NZD
£3,295 GBP
View
B
Retailer 7
-
$7,447 NZD
$4,190 USD
View
B
Retailer 8
-
$7,447 NZD
$4,190 USD
View
B
Retailer 9
-
$7,470 NZD
$4,203 USD
View
B
Retailer 10
-
$7,602 NZD
$4,277 USD
View
B
Retailer 11
-
$7,696 NZD
$4,330 USD
View
Retailer 12
-
$7,796 NZD
A$6,749 AUD
View
Price last confirmed 29 days ago
B
Retailer 13
-
$8,226 NZD
€4,408 EUR
View
Retailer 14
-
$8,229 NZD
$4,630 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$8,938 NZD
ZAR 81,243 ZAR
View
B
Retailer 16
-
$12,159 NZD
£5,387 GBP
View
Most Expensive
B
NZ Jewellers
fa093de3-088d-40cf-959a-81fa88147d54 · Oct 30
$12,669 NZD
$7,128 USD
View
16 more retailers have this diamond
Prices start from $5,847 NZDSave up to $6,821 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.

B+
1.20ct Radiant
$5,847 NZD