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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 €88 EUR
$98 USD
As of October 30, 2026
Save €302 EUR (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €389 EUR 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 30, 2026, with prices from €88 to €389, a €302 spread on the same certified stone. Friendly Diamonds lists it at €389. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €389 EUR|Low: €88 EUR|High: €582 EUR|Avg: €271 EUR
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 1, 2026
Retailer 10€88 EUR
Retailer 12€102 EUR
Retailer 8€115 EUR
Retailer 14€126 EUR
Retailer 13€175 EUR
Retailer 4€205 EUR
Retailer 2€209 EUR
Retailer 3€222 EUR
Retailer 15€237 EUR
Retailer 11€326 EUR
Retailer 9€350 EUR
Retailer 6€373 EUR
Friendly Diamonds€389 EUR
Retailer 5€537 EUR
Retailer 7€582 EUR

5 data points across 15 retailers

11 retailers€88 EUR to €389 EUR

A
Cheapest Retailer
-
€88 EUR
$98 USD
A
Retailer 2
-
€102 EUR
$114 USD
View
A
Retailer 3
-
€115 EUR
$129 USD
View
A
Retailer 4
-
€126 EUR
HK$1,100 HKD
View
A
Retailer 5
-
€175 EUR
$195 USD
View
A
Retailer 6
-
€209 EUR
£184 GBP
View
A
Retailer 7
-
€222 EUR
$248 USD
View
B+
Retailer 8
-
€237 EUR
£208 GBP
View
B+
Retailer 9
-
€326 EUR
$364 USD
View
B
Retailer 10
-
€350 EUR
$391 USD
View
Most Expensive
B
Friendly Diamonds
6558675 · Oct 31
€389 EUR
$435 USD
View
10 more retailers have this diamond
Prices start from €88 EURSave up to €302 EUR

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
€88 EUR