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Round|Lab Grown|IGI

1.30ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG770639391

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770639391

Diamond specifications and retailer prices

From €154 EUR
$173 USD
As of October 29, 2026
Save €743 EUR (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €897 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770639391 or 770639391. Listed at 16 retailers as of October 26, 2026, with prices from €154 to €897, a €743 spread on the same certified stone. MOH London lists it at €897. 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

1.30
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770639391
Dimensions6.99 × 7.04 × 4.29 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm7.04 mm1.30 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770639391
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.3%

Caratlytics Score

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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 29
Current: €897 EUR|Low: €154 EUR|High: €906 EUR|Avg: €423 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7€154 EUR
Retailer 9€192 EUR
Retailer 2€325 EUR
Retailer 4€342 EUR
Retailer 10€342 EUR
Retailer 3€374 EUR
Retailer 11€416 EUR
Retailer 5€441 EUR
Retailer 6€482 EUR
Retailer 8€535 EUR
MOH London€897 EUR

41 data points across 11 retailers

16 retailers€154 EUR to €897 EUR

A
Cheapest Retailer
-
€154 EUR
$173 USD
A
Retailer 2
-
€179 EUR
$201 USD
View
A
Retailer 3
-
€192 EUR
$215 USD
View
A
Retailer 4
-
€192 EUR
$215 USD
View
A
Retailer 5
-
€325 EUR
View
A
Retailer 6
-
€342 EUR
£302 GBP
View
B+
Retailer 7
-
€342 EUR
$384 USD
View
A
Retailer 8
-
€374 EUR
$420 USD
View
A
Retailer 9
-
€416 EUR
$467 USD
View
A
Retailer 10
-
€441 EUR
$495 USD
View
B+
Retailer 11
-
€482 EUR
$541 USD
View
B+
Retailer 12
-
€535 EUR
$600 USD
View
Retailer 13
-
€588 EUR
$660 USD
View
Price last confirmed 48 days ago
B+
Retailer 14
-
€616 EUR
$691 USD
View
B+
Retailer 15
-
€664 EUR
$745 USD
View
Most Expensive
B
MOH London
LG770639391 · Oct 26
€897 EUR
£792 GBP
View
15 more retailers have this diamond
Prices start from €154 EURSave up to €743 EUR

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
1.30ct Round
€154 EUR