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Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG743574650

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

Certificate IGI LG743574650

Diamond specifications and retailer prices

From $282 AUD
$198 USD
As of October 30, 2026
Save $3,021 AUD (91%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $3,303 AUD at Yadav Diamonds · As of October 30, 2026
View at Yadav 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG743574650 or 743574650. Listed at 28 retailers as of October 30, 2026, with prices from $282 to $3,303, a $3,021 spread on the same certified stone. Yadav Diamonds lists it at $3,303. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743574650
Dimensions7.67 × 5.46 × 3.67 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.67 mm5.46 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743574650
Side View
Table 65.0%Crown 39.8°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 67.2%

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: Oct 30
Current: $718 AUD|Low: $270 AUD|High: $2,833 AUD|Avg: $1,016 AUD|+4.3%
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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 2$282 AUD
Retailer 10$315 AUD
Retailer 7$327 AUD
Retailer 3$350 AUD
Retailer 8$350 AUD
Retailer 16$622 AUD
Retailer 13$664 AUD
Retailer 1$718 AUD
Retailer 9$809 AUD
Retailer 14$944 AUD
Retailer 17$1,129 AUD
Retailer 4$1,241 AUD
Retailer 5$1,415 AUD
Retailer 15$1,516 AUD
Retailer 18$1,519 AUD
Retailer 12$1,557 AUD
Retailer 6$1,865 AUD
Retailer 11$2,648 AUD

45 data points across 18 retailers

28 retailers$282 AUD to $3,303 AUD

A
Cheapest Retailer
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$282 AUD
$198 USD
A
Retailer 2
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$315 AUD
$221 USD
View
Final sale: no returns
A
Retailer 3
-
$327 AUD
$230 USD
View
A
Retailer 4
-
$350 AUD
$246 USD
View
A
Retailer 5
-
$350 AUD
$246 USD
View
B+
Retailer 6
-
$470 AUD
$330 USD
View
A
Retailer 7
-
$547 AUD
$384 USD
View
Retailer 8
-
$622 AUD
€416 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$664 AUD
ZAR 7,531 ZAR
View
A
Retailer 10
-
$712 AUD
$500 USD
View
A
Retailer 11
-
$718 AUD
£397 GBP
View
B+
Retailer 12
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$809 AUD
$568 USD
View
B+
Retailer 13
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$944 AUD
View
B+
Retailer 14
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$1,129 AUD
$793 USD
View
B+
Retailer 15
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$1,241 AUD
$872 USD
View
B+
Retailer 16
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$1,280 AUD
$899 USD
View
B+
Retailer 17
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$1,415 AUD
$994 USD
View
B
Retailer 18
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$1,487 AUD
$1,044 USD
View
Retailer 19
-
$1,516 AUD
$1,065 USD
View
Price last confirmed 12 days ago
B
Retailer 20
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$1,519 AUD
£840 GBP
View
B+
Retailer 21
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$1,557 AUD
£861 GBP
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B
Retailer 22
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$1,692 AUD
$1,189 USD
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B
Retailer 23
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$1,865 AUD
$1,310 USD
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B
Retailer 24
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$2,406 AUD
$1,690 USD
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B
Retailer 25
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$2,406 AUD
$1,690 USD
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B
Retailer 26
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$2,648 AUD
$1,860 USD
View
B
Retailer 27
-
$2,705 AUD
$1,900 USD
View
Most Expensive
B
Yadav Diamonds
13210009 · Oct 30
$3,303 AUD
$2,320 USD
View
27 more retailers have this diamond
Prices start from $282 AUDSave up to $3,021 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
$282 AUD