CaratHunter
Plans
Radiant|Natural|GIA

1.20ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 2534595233

Certificate GIA 2534595233

Diamond specifications and retailer prices

From $4,295 AUD
As of November 2, 2026
Save $4,913 AUD (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,208 AUD at NZ Jewellers · As of November 3, 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 D 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 2534595233. Listed at 8 retailers as of November 2, 2026, with prices from $4,295 to $9,208, a $4,913 spread on the same certified stone. NZ Jewellers lists it at $9,208. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle32.48°
OriginNatural
Grading LabGIA
CertificateGIA 2534595233
Dimensions6.97 × 5.50 × 3.56 mm
L/W Ratio1.27
Top View
6.97 mm5.50 mm1.20 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2534595233
Side View
Table 74.0%Crown 43.7°Girdle: MED-STKPavilion 32.48°Culet: NoneDepth 64.8%

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: Nov 2
Current: $9,208 AUD|Low: $4,293 AUD|High: $9,208 AUD|Avg: $5,369 AUD|+18.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 6$4,295 AUD
Retailer 7$4,404 AUD
Retailer 2$4,410 AUD
Retailer 3$4,477 AUD
Retailer 4$4,526 AUD
Retailer 8$4,721 AUD
Retailer 10$4,816 AUD
Retailer 9$4,959 AUD
Retailer 5$7,364 AUD
NZ Jewellers$9,208 AUD

35 data points across 10 retailers

8 retailers$4,295 AUD to $9,208 AUD

A
Cheapest Retailer
-
$4,295 AUD
A
Retailer 2
-
$4,404 AUD
View
A
Retailer 3
-
$4,410 AUD
View
A
Retailer 4
-
$4,477 AUD
View
A
Retailer 5
-
$4,526 AUD
View
Retailer 6
-
$4,721 AUD
View
Price last confirmed 34 days ago
B+
Retailer 7
-
$7,364 AUD
View
Most Expensive
B
NZ Jewellers
c386d2bf-a246-45d5-8407-62e313dd18aa · Nov 3
$9,208 AUD
$6,327 USD
View
7 more retailers have this diamond
Prices start from $4,295 AUDSave up to $4,913 AUD

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
1.20ct Radiant
$4,295 AUD