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Cushion|Lab Grown|IGI

1.45ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG799680824

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG799680824

Diamond specifications and retailer prices

From $319 USD
As of November 4, 2026
Save $1,411 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,045 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion 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 LG799680824 or 799680824. Listed at 15 retailers as of November 4, 2026, with a 442% 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799680824
Dimensions7.92 × 6.18 × 3.85 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm6.18 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799680824
Side View
Table 49.0%Crown 35.4°Girdle: STK-THKPavilion 37°Culet: LargeDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $620 USD|Low: $319 USD|High: $1,820 USD|Avg: $726 USD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 3$319 USD
Retailer 9$355 USD
Retailer 10$584 USD
Retailer 7$585 USD
Retailer 5$611 USD
Retailer 2$613 USD
Retailer 1$620 USD
Retailer 6$631 USD
Retailer 4$871 USD
Retailer 11$1,139 USD
Retailer 8$1,730 USD

42 data points across 11 retailers

15 retailers$319 USD to $1,730 USD

A
Cheapest Retailer
-
$319 USD
Final sale: no returns
Retailer 2
-
$355 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$584 USD
View
B+
Retailer 4
-
$585 USD
View
A
Retailer 5
-
$611 USD
View
B+
Retailer 6
-
$613 USD
View
A
Retailer 7
-
$620 USD
View
B+
Retailer 8
-
$631 USD
View
B+
Retailer 9
-
$663 USD
View
B+
Retailer 10
-
$871 USD
View
B
Retailer 11
-
$1,139 USD
View
B
Retailer 12
-
$1,189 USD
View
B
Retailer 13
-
$1,468 USD
View
B
Retailer 14
-
$1,730 USD
View
Most Expensive
Queensmith
LG799680824 · Oct 27
$2,045 USD
£1,610 GBP
View
Price last confirmed 8 days ago
14 more retailers have this diamond
Prices start from $319 USDSave up to $1,411 USD

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 Cushion
$319 USD