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Marquise|Lab Grown|IGI

0.78ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG650412894

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG650412894

Diamond specifications and retailer prices

From $174 NZD
$98 USD
As of November 2, 2026
Save $598 NZD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $772 NZD at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 0.78ct lab-grown marquise diamond

This 0.78ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG650412894 or 650412894. Listed at 11 retailers as of October 31, 2026, with prices from $174 to $772, a $598 spread on the same certified stone. Friendly Diamonds lists it at $772. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.78
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650412894
Dimensions9.45 × 4.79 × 3.01 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.45 mm4.79 mm0.78 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650412894
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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: $772 NZD|Low: $174 NZD|High: $1,153 NZD|Avg: $537 NZD
Friendly Diamonds
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
November 2, 2026
Retailer 2$174 NZD
Retailer 9$202 NZD
Retailer 10$229 NZD
Retailer 14$250 NZD
Retailer 13$346 NZD
Retailer 4$406 NZD
Retailer 8$415 NZD
Retailer 3$440 NZD
Retailer 15$470 NZD
Retailer 12$646 NZD
Retailer 11$694 NZD
Retailer 6$740 NZD
Friendly Diamonds$772 NZD
Retailer 5$1,064 NZD
Retailer 7$1,153 NZD

6 data points across 15 retailers

11 retailers$174 NZD to $772 NZD

A
Cheapest Retailer
-
$174 NZD
$98 USD
A
Retailer 2
-
$202 NZD
$114 USD
View
A
Retailer 3
-
$229 NZD
$129 USD
View
A
Retailer 4
-
$250 NZD
HK$1,100 HKD
View
A
Retailer 5
-
$346 NZD
$195 USD
View
A
Retailer 6
-
$415 NZD
£184 GBP
View
A
Retailer 7
-
$440 NZD
$248 USD
View
B+
Retailer 8
-
$470 NZD
£208 GBP
View
B+
Retailer 9
-
$646 NZD
$364 USD
View
B
Retailer 10
-
$694 NZD
$391 USD
View
Most Expensive
B
Friendly Diamonds
6558675 · Oct 31
$772 NZD
$435 USD
View
10 more retailers have this diamond
Prices start from $174 NZDSave up to $598 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
0.78ct Marquise
$174 NZD