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Round|Lab Grown|IGI

1.30ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG451057283

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057283

Diamond specifications and retailer prices

From €584 EUR
As of November 5, 2026
Save €2,264 EUR (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,848 EUR 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057283 or 451057283. Listed at 10 retailers as of November 5, 2026, with prices from €584 to €2,848, a €2,264 spread on the same certified stone. MOH London lists it at €2,848. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057283
Dimensions6.91 × 6.95 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.91 mm6.95 mm1.30 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057283
Side View
Table 55.5%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.9%

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: Nov 5
Current: €2,848 EUR|Low: €561 EUR|High: €2,891 EUR|Avg: €1,230 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5€584 EUR
Retailer 8€636 EUR
Retailer 10€654 EUR
Retailer 2€659 EUR
Retailer 6€678 EUR
Retailer 11€1,097 EUR
Retailer 7€1,107 EUR
Retailer 3€1,517 EUR
Retailer 4€1,732 EUR
Retailer 9€1,907 EUR
MOH London€2,848 EUR

15 data points across 11 retailers

10 retailers€584 EUR to €2,848 EUR

A
Cheapest Retailer
-
€584 EUR
A
Retailer 2
-
€636 EUR
View
A
Retailer 3
-
€654 EUR
View
Final sale: no returns
A
Retailer 4
-
€659 EUR
View
Retailer 5
-
€678 EUR
View
Price last confirmed 21 days ago
A
Retailer 6
-
€678 EUR
View
B+
Retailer 7
-
€1,107 EUR
View
B
Retailer 8
-
€1,732 EUR
View
B
Retailer 9
-
€1,907 EUR
View
Most Expensive
B
MOH London
LG451057283 · Nov 5
€2,848 EUR
£2,517 GBP
View
9 more retailers have this diamond
Prices start from €584 EURSave up to €2,264 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
€584 EUR