Marquise|Lab Grown|IGI

1.45ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG799671510

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799671510

Diamond specifications and retailer prices

From $448 USD
HK$3,500 HKD
As of October 31, 2026
Save $1,392 USD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,840 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.45ct lab-grown marquise diamond

This 1.45ct lab-grown marquise 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 LG799671510 or 799671510. Listed at 14 retailers as of October 31, 2026, with prices from $448 to $1,840, a $1,392 spread on the same certified stone. Brilliant Earth lists it at $1,840. 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 angle34.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799671510
Dimensions11.68 × 6.02 × 3.59 mm
L/W Ratio1.94
Girdle conditionFaceted
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
11.68 mm6.02 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799671510
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.6%

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 31
Current: $1,840 USD|Low: $442 USD|High: $1,930 USD|Avg: $896 USD|-4.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$540 USD
Retailer 4$625 USD
Retailer 10$638 USD
Retailer 11$670 USD
Retailer 2$674 USD
Retailer 6$701 USD
Retailer 3$861 USD
Retailer 7$1,045 USD
Retailer 9$1,051 USD
Retailer 5$1,539 USD
Brilliant Earth$1,840 USD

42 data points across 11 retailers

14 retailers$448 USD to $1,840 USD

A
Cheapest Retailer
-
$448 USD
HK$3,500 HKD
A
Retailer 2
-
$540 USD
View
A
Retailer 3
-
$625 USD
€595 EUR
View
B+
Retailer 4
-
$638 USD
View
B+
Retailer 5
-
$670 USD
View
A
Retailer 6
-
$674 USD
£531 GBP
View
B+
Retailer 7
-
$701 USD
A$1,078 AUD
View
Retailer 8
-
$861 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$1,045 USD
View
Retailer 10
-
$1,051 USD
A$1,617 AUD
View
Price last confirmed 28 days ago
B
Retailer 11
-
$1,084 USD
View
B
Retailer 12
-
$1,275 USD
View
B
Retailer 13
-
$1,539 USD
£1,212 GBP
View
Most Expensive
B
Brilliant Earth
20502761A · Oct 31
$1,840 USD
View
13 more retailers have this diamond
Prices start from $448 USDSave up to $1,392 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 Marquise
$448 USD