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Marquise|Lab Grown|IGI

1.45ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG817661855

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817661855

Diamond specifications and retailer prices

From $312 USD
£246 GBP
As of October 30, 2026
Save $1,298 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,610 USD at Brilliant Earth · As of October 30, 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 F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817661855 or 817661855. Listed at 14 retailers as of October 30, 2026, with prices from $312 to $1,610, a $1,298 spread on the same certified stone. Brilliant Earth lists it at $1,610. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
F
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817661855
Dimensions11.95 × 5.86 × 3.71 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.95 mm5.86 mm1.45 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817661855
Side View
Table 60.0%Crown 36°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 63.3%

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 30
Current: $1,610 USD|Low: $252 USD|High: $1,740 USD|Avg: $719 USD|-7.5%
Brilliant Earth
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
October 30, 2026
Retailer 9$253 USD
Retailer 4$280 USD
Retailer 2$312 USD
Retailer 3$475 USD
Retailer 11$480 USD
Retailer 13$515 USD
Retailer 8$520 USD
Retailer 5$605 USD
Retailer 6$649 USD
Retailer 12$682 USD
Retailer 14$902 USD
Retailer 7$951 USD
Retailer 10$1,126 USD
Retailer 15$1,275 USD
Brilliant Earth$1,610 USD

31 data points across 15 retailers

14 retailers$312 USD to $1,610 USD

Retailer 1
-
$276 USD
Price last confirmed 36 days ago
A
Retailer 2
-
$312 USD
£246 GBP
View
A
Retailer 3
-
$475 USD
View
A
Retailer 4
-
$480 USD
ZAR 7,760 ZAR
View
A
Retailer 5
-
$515 USD
€490 EUR
View
A
Retailer 6
-
$520 USD
£409 GBP
View
A
Retailer 7
-
$605 USD
View
A
Retailer 8
-
$649 USD
View
A
Retailer 9
-
$682 USD
A$1,049 AUD
View
Retailer 10
-
$902 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$951 USD
View
B+
Retailer 12
-
$1,126 USD
£887 GBP
View
Retailer 13
-
$1,275 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
20640982A · Oct 30
$1,610 USD
View
13 more retailers have this diamond
Prices start from $312 USDSave up to $1,298 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
$312 USD