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0.78ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG480148015

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480148015

Diamond specifications and retailer prices

From $299 USD
As of October 27, 2026
Save $692 USD (70%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $991 USD at MOH London · As of October 29, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG480148015 or 480148015. Listed at 4 retailers as of October 27, 2026, with prices from $299 to $991, a $692 spread on the same certified stone. MOH London lists it at $991. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480148015
Dimensions5.86 × 5.90 × 3.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
5.86 mm5.90 mm0.78 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480148015
Side View
Table 56.0%Crown 34.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $991 USD|Low: $299 USD|High: $997 USD|Avg: $503 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 4$299 USD
Retailer 2$353 USD
Retailer 3$377 USD
MOH London$991 USD

15 data points across 4 retailers

4 retailers$299 USD to $991 USD

A
Cheapest Retailer
-
$299 USD
B+
Retailer 2
-
$353 USD
€336 EUR
View
B+
Retailer 3
-
$377 USD
View
Most Expensive
B
MOH London
LG480148015 · Oct 29
$991 USD
£780 GBP
View
3 more retailers have this diamond
Prices start from $299 USDSave up to $692 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
$299 USD