Round|Lab Grown|IGI

1.07ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG781636137

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781636137

Diamond specifications and retailer prices

From $334 USD
£263 GBP
As of October 30, 2026
Save $565 USD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $899 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.07ct lab-grown round diamond

This 1.07ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG781636137 or 781636137. Listed at 6 retailers as of October 29, 2026, with prices from $334 to $899, a $565 spread on the same certified stone. MOH London lists it at $899. 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

1.07
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781636137
Dimensions6.61 × 6.58 × 4.00 mm
L/W Ratio1.00
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
6.61 mm6.58 mm1.07 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781636137
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $899 USD|Low: $321 USD|High: $953 USD|Avg: $471 USD|-4.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2$334 USD
Retailer 3$334 USD
Retailer 5$348 USD
Retailer 6$369 USD
Retailer 4$512 USD
MOH London$899 USD

42 data points across 6 retailers

6 retailers$334 USD to $899 USD

A
Cheapest Retailer
-
$334 USD
£263 GBP
A
Retailer 2
-
$334 USD
€318 EUR
View
A
Retailer 3
-
$348 USD
View
B+
Retailer 4
-
$369 USD
View
B+
Retailer 5
-
$512 USD
View
Most Expensive
B
MOH London
LG781636137 · Oct 29
$899 USD
£708 GBP
View
5 more retailers have this diamond
Prices start from $334 USDSave up to $565 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
1.07ct Round
$334 USD