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 $173 USD
As of November 5, 2026
Save $829 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,002 USD at MOH London · As of November 5, 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 November 5, 2026, with prices from $173 to $1,002, a $829 spread on the same certified stone. MOH London lists it at $1,002. 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: Nov 5
Current: $1,002 USD|Low: $173 USD|High: $1,016 USD|Avg: $482 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$173 USD
Retailer 8$215 USD
Retailer 2$369 USD
Retailer 4$379 USD
Retailer 9$384 USD
Retailer 10$467 USD
Retailer 5$530 USD
Retailer 3$600 USD
Retailer 6$729 USD
MOH London$1,002 USD

45 data points across 10 retailers

16 retailers$173 USD to $1,002 USD

A
Cheapest Retailer
-
$173 USD
A
Retailer 2
-
$201 USD
View
A
Retailer 3
-
$215 USD
View
Retailer 4
-
$215 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$369 USD
View
A
Retailer 6
-
$379 USD
View
B+
Retailer 7
-
$384 USD
View
A
Retailer 8
-
$420 USD
View
A
Retailer 9
-
$467 USD
View
B+
Retailer 10
-
$530 USD
View
B+
Retailer 11
-
$547 USD
View
B+
Retailer 12
-
$600 USD
View
B+
Retailer 13
-
$691 USD
View
B+
Retailer 14
-
$729 USD
View
B+
Retailer 15
-
$745 USD
View
Most Expensive
B
MOH London
LG770639391 · Nov 5
$1,002 USD
£789 GBP
View
15 more retailers have this diamond
Prices start from $173 USDSave up to $829 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
1.30ct Round
$173 USD