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Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG847640520

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847640520

Diamond specifications and retailer prices

From $475 NZD
$267 USD
As of November 2, 2026
Save $2,067 NZD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,542 NZD at With Clarity · As of November 1, 2026
View at With Clarity

About this 1.78ct lab-grown marquise diamond

This 1.78ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847640520 or 847640520. Listed at 12 retailers as of November 1, 2026, with prices from $475 to $2,542, a $2,067 spread on the same certified stone. With Clarity lists it at $2,542. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847640520
Dimensions12.53 × 6.32 × 3.95 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.53 mm6.32 mm1.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847640520
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.5%

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 2
Current: $688 NZD|Low: $475 NZD|High: $2,542 NZD|Avg: $1,451 NZD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
November 2, 2026
Retailer 11$475 NZD
Retailer 9$551 NZD
Retailer 1$688 NZD
Retailer 5$871 NZD
Retailer 2$969 NZD
Retailer 3$1,207 NZD
Retailer 10$1,369 NZD
Retailer 4$1,809 NZD
Retailer 7$1,893 NZD
Retailer 8$2,159 NZD
Retailer 6$2,372 NZD
With Clarity$2,542 NZD

10 data points across 12 retailers

12 retailers$475 NZD to $2,542 NZD

A
Cheapest Retailer
-
$475 NZD
$267 USD
A
Retailer 2
-
$551 NZD
$310 USD
View
A
Retailer 3
-
$688 NZD
£305 GBP
View
A
Retailer 4
-
$871 NZD
$490 USD
View
Retailer 5
-
$969 NZD
€519 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,207 NZD
$679 USD
View
A
Retailer 7
-
$1,369 NZD
A$1,185 AUD
View
B+
Retailer 8
-
$1,809 NZD
$1,018 USD
View
B+
Retailer 9
-
$1,893 NZD
$1,065 USD
View
B
Retailer 10
-
$2,159 NZD
$1,215 USD
View
B
Retailer 11
-
$2,372 NZD
£1,051 GBP
View
Most Expensive
B
With Clarity
847640520 · Nov 1
$2,542 NZD
$1,430 USD
View
11 more retailers have this diamond
Prices start from $475 NZDSave up to $2,067 NZD

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
1.78ct Marquise
$475 NZD