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Oval|Lab Grown|IGI

1.28ct D VVS1 Oval Lab Grown Diamond

EX • D/VVS1 • IGI LG720540402

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG720540402

Diamond specifications and retailer prices

From $370 AUD
$260 USD
As of October 30, 2026
Save $2,740 AUD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,110 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval 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 LG720540402 or 720540402. Listed at 23 retailers as of October 27, 2026, with prices from $370 to $3,110, a $2,740 spread on the same certified stone. Queensmith lists it at $3,110. 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 angle35.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720540402
Dimensions8.67 × 6.07 × 3.85 mm
L/W Ratio1.43
Girdle conditionFaceted
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
8.67 mm6.07 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720540402
Side View
Table 63.0%Crown 35.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.4%

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: $776 AUD|Low: $370 AUD|High: $1,667 AUD|Avg: $944 AUD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$370 AUD
Retailer 11$555 AUD
Retailer 4$674 AUD
Retailer 7$706 AUD
Retailer 2$756 AUD
Retailer 1$776 AUD
Retailer 8$1,003 AUD
Retailer 10$1,083 AUD
Retailer 9$1,416 AUD
Retailer 3$1,605 AUD
Retailer 5$1,656 AUD

38 data points across 11 retailers

23 retailers$370 AUD to $3,110 AUD

Retailer 1
-
$332 AUD
$233 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$370 AUD
$260 USD
View
Final sale: no returns
Retailer 3
-
$384 AUD
$270 USD
View
Price last confirmed 19 days ago
Retailer 4
-
$411 AUD
$289 USD
View
Price last confirmed 20 days ago
Retailer 5
-
$411 AUD
$289 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$456 AUD
HK$2,500 HKD
View
A
Retailer 7
-
$555 AUD
$390 USD
View
A
Retailer 8
-
$674 AUD
€451 EUR
View
A
Retailer 9
-
$706 AUD
ZAR 8,013 ZAR
View
A
Retailer 10
-
$756 AUD
$531 USD
View
A
Retailer 11
-
$776 AUD
£429 GBP
View
B+
Retailer 12
-
$925 AUD
$650 USD
View
B+
Retailer 13
-
$1,003 AUD
View
B+
Retailer 14
-
$1,083 AUD
$761 USD
View
Retailer 15
-
$1,321 AUD
$928 USD
View
Price last confirmed 25 days ago
B
Retailer 16
-
$1,333 AUD
SGD 1,265 SGD
View
B
Retailer 17
-
$1,396 AUD
$980 USD
View
Retailer 18
-
$1,416 AUD
$995 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$1,425 AUD
$1,001 USD
View
Retailer 20
-
$1,605 AUD
£888 GBP
View
Price last confirmed 18 days ago
B+
Retailer 21
-
$1,656 AUD
£916 GBP
View
B
Retailer 22
-
$1,848 AUD
$1,298 USD
View
Most Expensive
B
Queensmith
LG720540402 · Oct 27
$3,110 AUD
£1,720 GBP
View
22 more retailers have this diamond
Prices start from $370 AUDSave up to $2,740 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 Oval
$370 AUD