Marquise|Lab Grown|IGI

0.78ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG807655277

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG807655277

Diamond specifications and retailer prices

From $190 USD
As of October 28, 2026
Save $1,190 USD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,380 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.78ct lab-grown marquise diamond

This 0.78ct lab-grown marquise sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807655277 or 807655277. Listed at 12 retailers as of October 28, 2026, with prices from $190 to $1,380, a $1,190 spread on the same certified stone. Do Amore Diamonds lists it at $1,380. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807655277
Dimensions9.29 × 4.85 × 3.09 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.29 mm4.85 mm0.78 ctF / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807655277
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.7%

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 28
Current: $1,380 USD|Low: $179 USD|High: $1,380 USD|Avg: $479 USD
Do Amore 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
November 1, 2026
Retailer 13$190 USD
Retailer 9$219 USD
Retailer 4$290 USD
Retailer 3$290 USD
Retailer 10$294 USD
Retailer 7$331 USD
Retailer 8$500 USD
Retailer 12$501 USD
Retailer 5$572 USD
Retailer 6$606 USD
Retailer 11$707 USD
Retailer 2$921 USD
Do Amore Diamonds$1,380 USD

20 data points across 13 retailers

12 retailers$190 USD to $1,380 USD

Retailer 1
-
$125 USD
Price last confirmed 32 days ago
Retailer 2
-
$149 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$190 USD
View
A
Retailer 4
-
$219 USD
View
B+
Retailer 5
-
$294 USD
HK$2,300 HKD
View
B+
Retailer 6
-
$331 USD
View
B+
Retailer 7
-
$500 USD
View
Retailer 8
-
$520 USD
View
Price last confirmed 33 days ago
B
Retailer 9
-
$606 USD
View
B
Retailer 10
-
$707 USD
SGD 956 SGD
View
B
Retailer 11
-
$921 USD
£725 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F001E89CE · Nov 2
$1,380 USD
View
11 more retailers have this diamond
Prices start from $190 USDSave up to $1,190 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
$190 USD