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Round|Lab Grown|IGI

1.30ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG492113584

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492113584

Diamond specifications and retailer prices

From $740 USD
As of October 30, 2026
Save $2,700 USD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,440 USD at MOH London · As of October 25, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492113584 or 492113584. Listed at 11 retailers as of October 25, 2026, with prices from $740 to $3,440, a $2,700 spread on the same certified stone. MOH London lists it at $3,440. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113584
Dimensions6.97 × 7.03 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.97 mm7.03 mm1.30 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113584
Side View
Table 54.5%Crown 35.4°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 61.9%

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 30
Current: $3,440 USD|Low: $603 USD|High: $3,482 USD|Avg: $1,350 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$740 USD
Retailer 5$754 USD
Retailer 8$845 USD
Retailer 6$875 USD
Retailer 9$875 USD
Retailer 4$1,050 USD
Retailer 10$1,374 USD
Retailer 7$1,415 USD
Retailer 3$2,081 USD
MOH London$3,440 USD

19 data points across 10 retailers

11 retailers$740 USD to $3,440 USD

A
Cheapest Retailer
-
$740 USD
A
Retailer 2
-
$754 USD
View
A
Retailer 3
-
$821 USD
View
B+
Retailer 4
-
$845 USD
View
Final sale: no returns
B+
Retailer 5
-
$875 USD
View
Retailer 6
-
$875 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$1,050 USD
View
B
Retailer 8
-
$1,415 USD
View
B
Retailer 9
-
$2,081 USD
View
B
Retailer 10
-
$2,460 USD
View
Most Expensive
B
MOH London
LG492113584 · Oct 25
$3,440 USD
£2,709 GBP
View
10 more retailers have this diamond
Prices start from $740 USDSave up to $2,700 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
$740 USD