CaratHunter
Plans
Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG818682269

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818682269

Diamond specifications and retailer prices

From $501 NZD
$282 USD
As of November 2, 2026
Save $2,115 NZD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,616 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 LG818682269 or 818682269. Listed at 22 retailers as of November 1, 2026, with prices from $501 to $2,616, a $2,115 spread on the same certified stone. With Clarity lists it at $2,616. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682269
Dimensions11.88 × 6.26 × 3.97 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.88 mm6.26 mm1.78 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682269
Side View
Table 60.0%Crown 38.7°Girdle: STK-VTKPavilion 39.2°Culet: NoneDepth 63.4%

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: $1,630 NZD|Low: $501 NZD|High: $2,616 NZD|Avg: $1,361 NZD|-1.0%
Retailer 1
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
With Clarity
November 2, 2026
Retailer 10$501 NZD
Retailer 11$560 NZD
Retailer 7$581 NZD
Retailer 4$622 NZD
Retailer 6$622 NZD
Retailer 12$726 NZD
Retailer 3$898 NZD
Retailer 20$1,026 NZD
Retailer 15$1,071 NZD
Retailer 14$1,087 NZD
Retailer 18$1,237 NZD
Retailer 8$1,239 NZD
Retailer 19$1,445 NZD
Retailer 1$1,630 NZD
Retailer 17$1,919 NZD
Retailer 13$1,994 NZD
Retailer 5$1,998 NZD
Retailer 9$2,087 NZD
Retailer 2$2,195 NZD
Retailer 16$2,490 NZD
With Clarity$2,616 NZD

25 data points across 21 retailers

22 retailers$501 NZD to $2,616 NZD

A
Cheapest Retailer
-
$501 NZD
$282 USD
A
Retailer 2
-
$560 NZD
$315 USD
View
Final sale: no returns
A
Retailer 3
-
$581 NZD
$327 USD
View
Retailer 4
-
$622 NZD
$350 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$622 NZD
$350 USD
View
A
Retailer 6
-
$726 NZD
£322 GBP
View
A
Retailer 7
-
$898 NZD
$505 USD
View
A
Retailer 8
-
$1,026 NZD
$577 USD
View
A
Retailer 9
-
$1,071 NZD
ZAR 9,739 ZAR
View
A
Retailer 10
-
$1,087 NZD
£482 GBP
View
A
Retailer 11
-
$1,237 NZD
$696 USD
View
A
Retailer 12
-
$1,239 NZD
$697 USD
View
A
Retailer 13
-
$1,445 NZD
A$1,251 AUD
View
B+
Retailer 14
-
$1,630 NZD
$917 USD
View
B+
Retailer 15
-
$1,919 NZD
A$1,661 AUD
View
B+
Retailer 16
-
$1,994 NZD
SGD 1,516 SGD
View
B+
Retailer 17
-
$1,998 NZD
$1,124 USD
View
B+
Retailer 18
-
$2,087 NZD
$1,174 USD
View
B+
Retailer 19
-
$2,195 NZD
$1,235 USD
View
B+
Retailer 20
-
$2,390 NZD
$1,345 USD
View
B+
Retailer 21
-
$2,490 NZD
£1,103 GBP
View
Most Expensive
B
With Clarity
818682269 · Nov 1
$2,616 NZD
$1,472 USD
View
21 more retailers have this diamond
Prices start from $501 NZDSave up to $2,115 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
$501 NZD