Radiant|Natural|GIA

1.20ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 1242023157

Certificate GIA 1242023157

Diamond specifications and retailer prices

From $3,944 USD
As of October 30, 2026
Save $4,667 USD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,611 USD 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 G 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 1242023157. Listed at 9 retailers as of October 30, 2026, with prices from $3,944 to $8,611, a $4,667 spread on the same certified stone. NZ Jewellers lists it at $8,611. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242023157
Dimensions7.54 × 5.32 × 3.41 mm
L/W Ratio1.42
Culet sizeNone
Top View
7.54 mm5.32 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242023157
Side View
Table 68.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 64.1%

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: Oct 30
Current: $8,611 USD|Low: $3,294 USD|High: $8,611 USD|Avg: $4,974 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 3$3,294 USD
Retailer 5$3,538 USD
Retailer 12$3,944 USD
Retailer 4$4,189 USD
Retailer 13$4,269 USD
Retailer 8$4,478 USD
Retailer 9$4,478 USD
Retailer 10$4,478 USD
Retailer 2$4,922 USD
Retailer 11$5,167 USD
Retailer 6$5,309 USD
Retailer 7$7,915 USD
NZ Jewellers$8,611 USD

39 data points across 13 retailers

9 retailers$3,944 USD to $8,611 USD

B+
Cheapest Retailer
-
$3,944 USD
B+
Retailer 2
-
$4,269 USD
CA$5,929 CAD
View
B
Retailer 3
-
$4,478 USD
View
B
Retailer 4
-
$4,478 USD
View
B
Retailer 5
-
$4,922 USD
£3,875 GBP
View
B
Retailer 6
-
$5,167 USD
View
B
Retailer 7
-
$5,309 USD
€5,056 EUR
View
B
Retailer 8
-
$7,915 USD
£6,232 GBP
View
Most Expensive
B
NZ Jewellers
ee6691af-8b47-4693-b14f-2f36dfe76f3f · Oct 30
$8,611 USD
View
8 more retailers have this diamond
Prices start from $3,944 USDSave up to $4,667 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.

B+
1.20ct Radiant
$3,944 USD