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Marquise|Lab Grown|IGI

1.70ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG816634505

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816634505

Diamond specifications and retailer prices

From $1,430 USD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: $1,430 USD at Brilliant Earth
View at Brilliant Earth

About this 1.7ct lab-grown marquise diamond

This 1.7ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816634505 or 816634505. Listed at 3 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816634505
Dimensions11.93 × 6.21 × 3.92 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.93 mm6.21 mm1.70 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816634505
Side View
Table 57.0%Crown 37.5°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 63.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $1,430 USD|Low: $346 USD|High: $1,510 USD|Avg: $773 USD|-5.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
August 4, 2026
Retailer 8$358 USD
Retailer 6$386 USD
Retailer 11$492 USD
Retailer 7$622 USD
Retailer 4$712 USD
Retailer 5$827 USD
Retailer 9$987 USD
Retailer 3$1,018 USD
Retailer 10$1,146 USD
Retailer 2$1,285 USD
Brilliant Earth$1,430 USD

14 data points across 11 retailers

3 retailers

Retailer 1
-
$987 USD
A$1,518 AUD
Price last confirmed 97 days ago
Retailer 2
-
$1,146 USD
View
Price last confirmed 105 days ago
Most Expensive
B
Brilliant Earth
20541551A · Oct 31
$1,430 USD
View
2 more retailers have this diamond

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.

B
1.70ct Marquise
$1,430 USD