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Radiant|Lab Grown|GCAL

1.05ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • GCAL 340811061

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 340811061

Diamond specifications and retailer prices

From $320 AUD
$225 USD
As of October 30, 2026
Save $1,437 AUD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,075 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 340811061. Listed at 8 retailers as of October 30, 2026, with a 449% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.05
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle60.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 340811061
Dimensions7.25 × 5.08 × 3.46 mm
L/W Ratio1.43
Culet sizeNone
Top View
7.25 mm5.08 mm1.05 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 340811061
Side View
Table 64.0%Crown 36°Girdle: STK-THKPavilion 60.2°Culet: NoneDepth 68.2%

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: Oct 30
Current: $3,075 AUD|Low: $307 AUD|High: $3,075 AUD|Avg: $1,050 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4$320 AUD
Retailer 7$372 AUD
Retailer 8$436 AUD
Retailer 6$676 AUD
Retailer 9$717 AUD
Retailer 3$1,281 AUD
Retailer 5$1,409 AUD
Retailer 2$1,757 AUD
Do Amore Diamonds$3,075 AUD

15 data points across 9 retailers

8 retailers$320 AUD to $1,757 AUD

A
Cheapest Retailer
-
$320 AUD
$225 USD
A
Retailer 2
-
$372 AUD
$261 USD
View
A
Retailer 3
-
$436 AUD
$306 USD
View
B+
Retailer 4
-
$676 AUD
$475 USD
View
B
Retailer 5
-
$1,281 AUD
$900 USD
View
B
Retailer 6
-
$1,409 AUD
$990 USD
View
B
Retailer 7
-
$1,757 AUD
£972 GBP
View
Most Expensive
Do Amore Diamonds
27-46A4BB917 · Oct 31
$3,075 AUD
$2,160 USD
View
Price under review
7 more retailers have this diamond
Prices start from $320 AUDSave up to $1,437 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
1.05ct Radiant
$320 AUD