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Round|Lab Grown|IGI

1.45ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG781618358

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781618358

Diamond specifications and retailer prices

From $310 AUD
$218 USD
As of October 29, 2026
Save $1,473 AUD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,471 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.45ct lab-grown round diamond

This 1.45ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781618358 or 781618358. Listed at 23 retailers as of October 29, 2026, with a 475% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781618358
Dimensions7.21 × 7.24 × 4.49 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
7.21 mm7.24 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781618358
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 41°Culet: NoneDepth 62.1%

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 29
Current: $657 AUD|Low: $299 AUD|High: $1,564 AUD|Avg: $713 AUD|-0.1%
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
October 30, 2026
Retailer 17$310 AUD
Retailer 11$347 AUD
Retailer 7$360 AUD
Retailer 4$386 AUD
Retailer 9$386 AUD
Retailer 3$520 AUD
Retailer 1$657 AUD
Retailer 13$662 AUD
Retailer 12$703 AUD
Retailer 10$714 AUD
Retailer 6$743 AUD
Retailer 5$770 AUD
Retailer 14$943 AUD
Retailer 2$1,004 AUD
Retailer 16$1,011 AUD
Retailer 8$1,240 AUD
Retailer 15$1,548 AUD

43 data points across 17 retailers

23 retailers$310 AUD to $1,783 AUD

A
Cheapest Retailer
-
$310 AUD
$218 USD
A
Retailer 2
-
$347 AUD
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$360 AUD
$253 USD
View
A
Retailer 4
-
$386 AUD
$271 USD
View
A
Retailer 5
-
$386 AUD
$271 USD
View
A
Retailer 6
-
$437 AUD
HK$2,400 HKD
View
B+
Retailer 7
-
$520 AUD
$365 USD
View
A
Retailer 8
-
$657 AUD
£363 GBP
View
A
Retailer 9
-
$662 AUD
ZAR 7,518 ZAR
View
A
Retailer 10
-
$703 AUD
€470 EUR
View
A
Retailer 11
-
$714 AUD
£395 GBP
View
B+
Retailer 12
-
$743 AUD
$522 USD
View
B+
Retailer 13
-
$770 AUD
$541 USD
View
B+
Retailer 14
-
$943 AUD
View
B+
Retailer 15
-
$994 AUD
$698 USD
View
Retailer 16
-
$1,004 AUD
$705 USD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$1,011 AUD
$710 USD
View
B
Retailer 18
-
$1,240 AUD
$871 USD
View
B
Retailer 19
-
$1,249 AUD
SGD 1,186 SGD
View
B
Retailer 20
-
$1,315 AUD
$924 USD
View
B
Retailer 21
-
$1,548 AUD
£856 GBP
View
B
Retailer 22
-
$1,783 AUD
$1,253 USD
View
Most Expensive
Queensmith
LG781618358 · Oct 27
$3,471 AUD
£1,920 GBP
View
Price under review
22 more retailers have this diamond
Prices start from $310 AUDSave up to $1,473 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 Round
$310 AUD