Oval|Lab Grown|IGI

1.45ct D VVS1 Oval Lab Grown Diamond

ID • D/VVS1 • IGI LG770640660

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770640660

Diamond specifications and retailer prices

From $345 AUD
$242 USD
As of October 29, 2026
Save $3,115 AUD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,459 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.45ct lab-grown oval diamond

This 1.45ct 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 LG770640660 or 770640660. Listed at 24 retailers as of October 29, 2026, with prices from $345 to $3,459, a $3,115 spread on the same certified stone. Brilliant Earth lists it at $3,459. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770640660
Dimensions6.39 × 6.39 × 3.94 mm
L/W Ratio1.00
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
6.39 mm6.39 mm1.45 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770640660
Side View
Table 60.0%Crown 38.2°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.7%

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 29
Current: $3,459 AUD|Low: $340 AUD|High: $3,459 AUD|Avg: $1,053 AUD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 20
October 31, 2026
Retailer 10$345 AUD
Retailer 15$384 AUD
Retailer 20$399 AUD
Retailer 6$426 AUD
Retailer 12$426 AUD
Retailer 7$717 AUD
Retailer 17$732 AUD
Retailer 5$780 AUD
Retailer 19$798 AUD
Retailer 13$808 AUD
Retailer 2$831 AUD
Retailer 18$1,040 AUD
Retailer 3$1,125 AUD
Retailer 4$1,153 AUD
Retailer 9$1,371 AUD
Retailer 11$1,444 AUD
Retailer 14$1,588 AUD
Retailer 16$1,718 AUD
Retailer 8$1,888 AUD
Brilliant Earth$3,459 AUD

40 data points across 20 retailers

24 retailers$345 AUD to $3,459 AUD

Retailer 1
-
$340 AUD
$239 USD
Price last confirmed 39 days ago
A
Retailer 2
-
$345 AUD
$242 USD
View
A
Retailer 3
-
$384 AUD
$270 USD
View
Final sale: no returns
A
Retailer 4
-
$399 AUD
$280 USD
View
Retailer 5
-
$417 AUD
$293 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$426 AUD
$299 USD
View
A
Retailer 7
-
$426 AUD
$299 USD
View
A
Retailer 8
-
$717 AUD
$504 USD
View
A
Retailer 9
-
$732 AUD
ZAR 8,312 ZAR
View
A
Retailer 10
-
$780 AUD
$548 USD
View
A
Retailer 11
-
$798 AUD
€534 EUR
View
A
Retailer 12
-
$808 AUD
£447 GBP
View
A
Retailer 13
-
$831 AUD
View
B+
Retailer 14
-
$1,040 AUD
View
B+
Retailer 15
-
$1,125 AUD
$790 USD
View
B+
Retailer 16
-
$1,153 AUD
$810 USD
View
B+
Retailer 17
-
$1,169 AUD
$821 USD
View
B+
Retailer 18
-
$1,371 AUD
$963 USD
View
Retailer 19
-
$1,375 AUD
$966 USD
View
Price last confirmed 15 days ago
B+
Retailer 20
-
$1,444 AUD
$1,015 USD
View
B+
Retailer 21
-
$1,588 AUD
View
B+
Retailer 22
-
$1,718 AUD
£950 GBP
View
B
Retailer 23
-
$1,888 AUD
$1,326 USD
View
Most Expensive
B
Brilliant Earth
20258488A · Oct 29
$3,459 AUD
$2,430 USD
View
23 more retailers have this diamond
Prices start from $345 AUDSave up to $3,115 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
1.45ct Oval
$345 AUD