Marquise|Lab Grown|IGI

0.78ct D FL Marquise Lab Grown Diamond

VG • D/FL • IGI LG825656603

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825656603

Diamond specifications and retailer prices

From $511 USD
As of October 30, 2026
Save $1,583 USD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,094 USD at MOH London · As of October 29, 2026
View at MOH London

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 FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG825656603 or 825656603. Listed at 18 retailers as of October 29, 2026, with prices from $511 to $2,094, a $1,583 spread on the same certified stone. MOH London lists it at $2,094. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.78
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825656603
Dimensions9.60 × 4.80 × 3.01 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.60 mm4.80 mm0.78 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825656603
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.7%

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: $2,094 USD|Low: $484 USD|High: $2,108 USD|Avg: $1,187 USD|+5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 4$511 USD
Retailer 3$595 USD
Retailer 10$755 USD
Retailer 11$798 USD
Retailer 8$866 USD
Retailer 2$939 USD
Retailer 6$950 USD
Retailer 7$1,026 USD
Retailer 12$1,317 USD
Retailer 9$1,524 USD
Retailer 13$1,854 USD
Retailer 5$2,015 USD
MOH London$2,094 USD

28 data points across 13 retailers

18 retailers$511 USD to $2,094 USD

Retailer 1
-
$457 USD
Price last confirmed 23 days ago
Retailer 2
-
$485 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
$511 USD
View
Final sale: no returns
Retailer 4
-
$567 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$567 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$595 USD
View
B+
Retailer 7
-
$755 USD
View
B+
Retailer 8
-
$798 USD
View
B+
Retailer 9
-
$866 USD
€825 EUR
View
B+
Retailer 10
-
$939 USD
£739 GBP
View
B+
Retailer 11
-
$950 USD
View
B
Retailer 12
-
$1,026 USD
ZAR 16,573 ZAR
View
Retailer 13
-
$1,317 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
$1,524 USD
View
Retailer 15
-
$1,823 USD
View
Price last confirmed 26 days ago
B
Retailer 16
-
$1,854 USD
View
B
Retailer 17
-
$2,015 USD
View
Most Expensive
B
MOH London
LG825656603 · Oct 29
$2,094 USD
£1,649 GBP
View
17 more retailers have this diamond
Prices start from $511 USDSave up to $1,583 USD

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
$511 USD