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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG605341596

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG605341596

Diamond specifications and retailer prices

From $304 AUD
$213 USD
As of November 1, 2026
Save $2,293 AUD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,597 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605341596 or 605341596. Listed at 14 retailers as of November 1, 2026, with prices from $304 to $2,597, a $2,293 spread on the same certified stone. Do Amore Diamonds lists it at $2,597. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605341596
Dimensions7.63 × 5.46 × 3.60 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.63 mm5.46 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605341596
Side View
Table 62.0%Crown 36.3°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,597 AUD|Low: $205 AUD|High: $2,597 AUD|Avg: $981 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11$304 AUD
Retailer 3$534 AUD
Retailer 10$589 AUD
Retailer 6$640 AUD
Retailer 5$685 AUD
Retailer 12$691 AUD
Retailer 2$907 AUD
Retailer 9$979 AUD
Retailer 8$1,084 AUD
Retailer 4$1,438 AUD
Retailer 7$1,486 AUD
Do Amore Diamonds$2,597 AUD

41 data points across 12 retailers

14 retailers$304 AUD to $2,597 AUD

A
Cheapest Retailer
-
$304 AUD
$213 USD
Final sale: no returns
Retailer 2
-
$337 AUD
$236 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$534 AUD
$374 USD
View
A
Retailer 4
-
$589 AUD
$413 USD
View
A
Retailer 5
-
$640 AUD
ZAR 7,251 ZAR
View
A
Retailer 6
-
$685 AUD
£378 GBP
View
A
Retailer 7
-
$691 AUD
$484 USD
View
B+
Retailer 8
-
$907 AUD
View
Retailer 9
-
$979 AUD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
$1,084 AUD
$760 USD
View
Retailer 11
-
$1,193 AUD
$836 USD
View
Price last confirmed 33 days ago
B
Retailer 12
-
$1,438 AUD
$1,008 USD
View
B
Retailer 13
-
$1,486 AUD
£820 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D1F93F57A · Nov 2
$2,597 AUD
$1,820 USD
View
13 more retailers have this diamond
Prices start from $304 AUDSave up to $2,293 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
1.28ct Radiant
$304 AUD