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Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG803611087

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803611087

Diamond specifications and retailer prices

From $563 NZD
$317 USD
As of November 2, 2026
Save $4,449 NZD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,012 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG803611087 or 803611087. Listed at 21 retailers as of November 2, 2026, with prices from $563 to $5,012, a $4,449 spread on the same certified stone. Do Amore Diamonds lists it at $5,012. 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 angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803611087
Dimensions12.20 × 6.36 × 3.98 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
12.20 mm6.36 mm1.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803611087
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.6%

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: $5,012 NZD|Low: $563 NZD|High: $5,012 NZD|Avg: $1,792 NZD
Do Amore Diamonds
Retailer 2
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November 2, 2026
Retailer 24$563 NZD
Retailer 6$654 NZD
Retailer 9$873 NZD
Retailer 2$903 NZD
Retailer 16$907 NZD
Retailer 7$928 NZD
Retailer 10$935 NZD
Retailer 3$978 NZD
Retailer 8$994 NZD
Retailer 15$1,080 NZD
Retailer 5$1,194 NZD
Retailer 14$1,670 NZD
Retailer 22$1,793 NZD
Retailer 18$1,859 NZD
Retailer 21$2,008 NZD
Retailer 25$2,053 NZD
Retailer 23$2,177 NZD
Retailer 11$2,297 NZD
Retailer 17$2,362 NZD
Retailer 4$2,483 NZD
Retailer 13$2,823 NZD
Retailer 19$3,018 NZD
Retailer 12$3,037 NZD
Retailer 20$4,212 NZD
Do Amore Diamonds$5,012 NZD

17 data points across 25 retailers

21 retailers$563 NZD to $5,012 NZD

A
Cheapest Retailer
-
$563 NZD
$317 USD
A
Retailer 2
-
$654 NZD
$368 USD
View
A
Retailer 3
-
$873 NZD
$491 USD
View
A
Retailer 4
-
$903 NZD
£400 GBP
View
A
Retailer 5
-
$928 NZD
$522 USD
View
B+
Retailer 6
-
$935 NZD
$526 USD
View
A
Retailer 7
-
$978 NZD
$550 USD
View
A
Retailer 8
-
$994 NZD
$559 USD
View
A
Retailer 9
-
$1,194 NZD
€640 EUR
View
Retailer 10
-
$1,670 NZD
$940 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$1,793 NZD
A$1,552 AUD
View
B+
Retailer 12
-
$2,008 NZD
A$1,738 AUD
View
B+
Retailer 13
-
$2,053 NZD
$1,155 USD
View
B+
Retailer 14
-
$2,177 NZD
$1,225 USD
View
B+
Retailer 15
-
$2,297 NZD
CA$1,795 CAD
View
B
Retailer 16
-
$2,483 NZD
$1,397 USD
View
B
Retailer 17
-
$2,823 NZD
$1,588 USD
View
B
Retailer 18
-
$3,018 NZD
£1,337 GBP
View
B
Retailer 19
-
$3,037 NZD
$1,709 USD
View
B
Retailer 20
-
$4,212 NZD
$2,370 USD
View
Most Expensive
B
Do Amore Diamonds
27-B1329BF40 · Nov 2
$5,012 NZD
$2,820 USD
View
20 more retailers have this diamond
Prices start from $563 NZDSave up to $4,449 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
$563 NZD