Round|Lab Grown|IGI

0.78ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG805671995

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805671995

Diamond specifications and retailer prices

From $120 USD
As of October 26, 2026
Save $1,123 USD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,243 USD at MOH London · As of October 26, 2026
View at MOH London

About this 0.78ct lab-grown round diamond

This 0.78ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805671995 or 805671995. Listed at 18 retailers as of October 26, 2026, with prices from $120 to $1,243, a $1,123 spread on the same certified stone. MOH London lists it at $1,243. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805671995
Dimensions5.99 × 5.94 × 3.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.99 mm5.94 mm0.78 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805671995
Side View
Table 58.0%Crown 32.9°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 59.8%

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 26
Current: $1,243 USD|Low: $113 USD|High: $1,248 USD|Avg: $365 USD|+1.1%
MOH London
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 29, 2026
Retailer 16$120 USD
Retailer 3$133 USD
Retailer 17$139 USD
Retailer 14$158 USD
Retailer 10$166 USD
Retailer 7$170 USD
Retailer 13$257 USD
Retailer 2$261 USD
Retailer 6$288 USD
Retailer 12$304 USD
Retailer 4$360 USD
Retailer 9$380 USD
Retailer 8$388 USD
Retailer 11$411 USD
Retailer 15$478 USD
Retailer 5$480 USD
MOH London$1,243 USD

41 data points across 17 retailers

18 retailers$120 USD to $1,243 USD

A
Cheapest Retailer
-
$120 USD
A
Retailer 2
-
$133 USD
View
Final sale: no returns
A
Retailer 3
-
$139 USD
View
A
Retailer 4
-
$158 USD
View
A
Retailer 5
-
$166 USD
HK$1,300 HKD
View
Retailer 6
-
$170 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$257 USD
View
A
Retailer 8
-
$261 USD
€249 EUR
View
B+
Retailer 9
-
$288 USD
View
B+
Retailer 10
-
$304 USD
£239 GBP
View
B+
Retailer 11
-
$360 USD
View
B+
Retailer 12
-
$380 USD
View
Retailer 13
-
$380 USD
View
Price last confirmed 19 days ago
B+
Retailer 14
-
$388 USD
View
B+
Retailer 15
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$411 USD
SGD 556 SGD
View
B
Retailer 16
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$478 USD
View
B
Retailer 17
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$480 USD
A$738 AUD
View
Most Expensive
B
MOH London
LG805671995 · Oct 26
$1,243 USD
£979 GBP
View
17 more retailers have this diamond
Prices start from $120 USDSave up to $1,123 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 Round
$120 USD