Marquise|Lab Grown|IGI

0.78ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG815641272

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815641272

Diamond specifications and retailer prices

From $458 USD
As of October 30, 2026
Save $2,169 USD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,627 USD at Riddles Jewelry · As of October 31, 2026
View at Riddles Jewelry

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 top-tier cut grade and certified by IGI LG815641272 or 815641272. Listed at 22 retailers as of October 30, 2026, with prices from $458 to $2,627, a $2,169 spread on the same certified stone. Riddles Jewelry lists it at $2,627. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.78
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815641272
Dimensions9.39 × 4.82 × 3.06 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.39 mm4.82 mm0.78 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815641272
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $940 USD|Low: $439 USD|High: $2,111 USD|Avg: $975 USD|+2.7%
Retailer 1
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Retailer 3
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 15$458 USD
Retailer 5$513 USD
Retailer 3$568 USD
Retailer 6$568 USD
Retailer 12$581 USD
Retailer 7$748 USD
Retailer 10$861 USD
Retailer 2$905 USD
Retailer 13$911 USD
Retailer 1$940 USD
Retailer 9$1,027 USD
Retailer 14$1,253 USD
Retailer 11$1,320 USD
Retailer 4$1,825 USD
Retailer 8$2,097 USD

45 data points across 15 retailers

22 retailers$458 USD to $2,627 USD

A
Cheapest Retailer
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$458 USD
A
Retailer 2
-
$513 USD
View
Retailer 3
-
$568 USD
View
Price last confirmed 16 days ago
A
Retailer 4
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$568 USD
View
A
Retailer 5
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$570 USD
View
A
Retailer 6
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$581 USD
View
Final sale: no returns
A
Retailer 7
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$595 USD
View
B+
Retailer 8
-
$748 USD
View
B+
Retailer 9
-
$861 USD
€820 EUR
View
B+
Retailer 10
-
$905 USD
View
B+
Retailer 11
-
$911 USD
View
B+
Retailer 12
-
$940 USD
£740 GBP
View
B+
Retailer 13
-
$1,027 USD
ZAR 16,588 ZAR
View
Retailer 14
-
$1,253 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$1,320 USD
View
B
Retailer 16
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$1,825 USD
View
B
Retailer 17
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$1,856 USD
View
B
Retailer 18
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$1,894 USD
CA$2,631 CAD
View
B
Retailer 19
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$2,016 USD
View
B
Retailer 20
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$2,097 USD
£1,651 GBP
View
B
Retailer 21
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$2,101 USD
View
Most Expensive
B
Riddles Jewelry
1966490676 · Oct 31
$2,627 USD
View
21 more retailers have this diamond
Prices start from $458 USDSave up to $2,169 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
$458 USD