Radiant|Natural|GIA

1.21ct G SI2 Radiant Natural Diamond

EX • G/SI2 • GIA 6551273212

Certificate GIA 6551273212

Diamond specifications and retailer prices

From $7,042 NZD
CA$5,503 CAD
As of November 2, 2026
Save $1,082 NZD (13%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,124 NZD at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551273212. Listed at 3 retailers as of November 2, 2026, with prices from $7,042 to $8,124, a $1,082 spread on the same certified stone. The Diamond Guys lists it at $8,124. 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

1.21
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551273212
Dimensions7.24 × 5.47 × 3.60 mm
L/W Ratio1.32
Culet sizeNone
Top View
7.24 mm5.47 mm1.21 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551273212
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.7%

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 2
Current: $7,042 NZD|Low: $6,135 NZD|High: $9,524 NZD|Avg: $7,548 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
The Diamond Guys
October 15, 2026
Retailer 2$6,135 NZD
Retailer 11$6,178 NZD
Retailer 7$6,338 NZD
Retailer 13$6,959 NZD
Retailer 1$7,042 NZD
Retailer 8$7,312 NZD
Retailer 5$7,555 NZD
Retailer 9$7,661 NZD
Retailer 4$7,873 NZD
Retailer 15$7,873 NZD
Retailer 3$8,122 NZD
The Diamond Guys$8,124 NZD
Retailer 14$8,418 NZD
Retailer 10$8,707 NZD
Retailer 12$9,158 NZD
Retailer 6$9,435 NZD

36 data points across 16 retailers

3 retailers$7,042 NZD to $8,124 NZD

B+
Cheapest Retailer
-
$7,042 NZD
CA$5,503 CAD
B+
Retailer 2
-
$7,312 NZD
$4,114 USD
View
Most Expensive
B
The Diamond Guys
1992899755 · Nov 2
$8,124 NZD
$4,571 USD
View
2 more retailers have this diamond
Prices start from $7,042 NZDSave up to $1,082 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+
1.21ct Radiant
$7,042 NZD