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Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG729520612

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

Certificate IGI LG729520612

Diamond specifications and retailer prices

From $416 AUD
$292 USD
As of October 30, 2026
Save $3,627 AUD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,043 AUD at Do Amore Diamonds · As of October 31, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG729520612 or 729520612. Listed at 24 retailers as of October 30, 2026, with prices from $416 to $4,043, a $3,627 spread on the same certified stone. Do Amore Diamonds lists it at $4,043. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.6°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729520612
Dimensions5.30 × 5.30 × 3.34 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.30 mm5.30 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729520612
Side View
Table 62.0%Crown 48.6°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 63.0%

Caratlytics Score

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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: $1,014 AUD|Low: $399 AUD|High: $2,303 AUD|Avg: $1,099 AUD|+1.3%
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
October 31, 2026
Retailer 3$416 AUD
Retailer 6$481 AUD
Retailer 4$514 AUD
Retailer 7$514 AUD
Retailer 8$650 AUD
Retailer 2$740 AUD
Retailer 12$976 AUD
Retailer 11$998 AUD
Retailer 1$1,014 AUD
Retailer 10$1,385 AUD
Retailer 9$1,496 AUD
Retailer 14$1,580 AUD
Retailer 15$1,582 AUD
Retailer 5$1,826 AUD
Retailer 13$2,280 AUD

37 data points across 15 retailers

24 retailers$416 AUD to $4,043 AUD

A
Cheapest Retailer
-
$416 AUD
$292 USD
A
Retailer 2
-
$464 AUD
$326 USD
View
Final sale: no returns
A
Retailer 3
-
$481 AUD
$338 USD
View
A
Retailer 4
-
$514 AUD
$361 USD
View
A
Retailer 5
-
$514 AUD
$361 USD
View
A
Retailer 6
-
$645 AUD
$453 USD
View
A
Retailer 7
-
$650 AUD
£360 GBP
View
A
Retailer 8
-
$688 AUD
$483 USD
View
A
Retailer 9
-
$740 AUD
$520 USD
View
A
Retailer 10
-
$740 AUD
$520 USD
View
B+
Retailer 11
-
$976 AUD
ZAR 11,076 ZAR
View
B+
Retailer 12
-
$998 AUD
View
B+
Retailer 13
-
$1,014 AUD
£561 GBP
View
B+
Retailer 14
-
$1,385 AUD
View
B+
Retailer 15
-
$1,496 AUD
View
Retailer 16
-
$1,580 AUD
$1,110 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$1,582 AUD
$1,111 USD
View
B
Retailer 18
-
$1,826 AUD
$1,283 USD
View
B
Retailer 19
-
$2,056 AUD
$1,444 USD
View
B
Retailer 20
-
$2,109 AUD
$1,482 USD
View
B
Retailer 21
-
$2,213 AUD
£1,224 GBP
View
B
Retailer 22
-
$2,280 AUD
£1,261 GBP
View
B
Retailer 23
-
$3,687 AUD
$2,590 USD
View
Most Expensive
B
Do Amore Diamonds
23-729520612 · Oct 31
$4,043 AUD
$2,840 USD
View
23 more retailers have this diamond
Prices start from $416 AUDSave up to $3,627 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
$416 AUD