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Round|Lab Grown|IGI

1.30ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG445036875

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445036875

Diamond specifications and retailer prices

From €671 EUR
$750 USD
As of October 31, 2026
Save €2,404 EUR (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,075 EUR at MOH London · As of November 1, 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 LG445036875 or 445036875. Listed at 11 retailers as of October 31, 2026, with prices from €671 to €3,075, a €2,404 spread on the same certified stone. MOH London lists it at €3,075. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036875
Dimensions7.10 × 7.13 × 4.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.10 mm7.13 mm1.30 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036875
Side View
Table 57.5%Crown 32°Girdle: UNDPavilion 40.2°Culet: NoneDepth 59.2%

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 31
Current: €3,075 EUR|Low: €671 EUR|High: €3,117 EUR|Avg: €1,392 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2€671 EUR
Retailer 5€675 EUR
Retailer 8€755 EUR
Retailer 6€783 EUR
Retailer 4€940 EUR
Retailer 9€1,230 EUR
Retailer 7€1,267 EUR
Retailer 3€1,863 EUR
Retailer 10€2,242 EUR
MOH London€3,075 EUR

18 data points across 10 retailers

11 retailers€671 EUR to €3,075 EUR

A
Cheapest Retailer
-
€671 EUR
$750 USD
A
Retailer 2
-
€675 EUR
$754 USD
View
A
Retailer 3
-
€735 EUR
$821 USD
View
B+
Retailer 4
-
€755 EUR
$844 USD
View
Final sale: no returns
B+
Retailer 5
-
€783 EUR
$875 USD
View
Retailer 6
-
€783 EUR
$875 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
€940 EUR
$1,050 USD
View
B
Retailer 8
-
€1,267 EUR
$1,415 USD
View
B
Retailer 9
-
€1,863 EUR
$2,081 USD
View
B
Retailer 10
-
€2,202 EUR
$2,460 USD
View
Most Expensive
B
MOH London
LG445036875 · Nov 1
€3,075 EUR
£2,705 GBP
View
10 more retailers have this diamond
Prices start from €671 EURSave up to €2,404 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
€671 EUR