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Round|Lab Grown|IGI

1.53ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG447098943

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447098943

Diamond specifications and retailer prices

From €761 EUR
$850 USD
As of October 31, 2026
Save €3,387 EUR (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,148 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447098943 or 447098943. Listed at 12 retailers as of October 29, 2026, with prices from €761 to €4,148, a €3,387 spread on the same certified stone. MOH London lists it at €4,148. 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

1.53
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447098943
Dimensions7.49 × 7.46 × 4.46 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.49 mm7.46 mm1.53 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447098943
Side View
Table 59.5%Crown 31.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.6%

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: €4,148 EUR|Low: €761 EUR|High: €4,181 EUR|Avg: €1,958 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 7€761 EUR
Retailer 8€1,245 EUR
Retailer 12€1,355 EUR
Retailer 11€1,395 EUR
Retailer 9€1,445 EUR
Retailer 14€1,445 EUR
Retailer 3€1,598 EUR
Retailer 6€1,663 EUR
Retailer 5€1,974 EUR
Retailer 10€2,281 EUR
Retailer 2€2,613 EUR
Retailer 4€2,622 EUR
Retailer 13€2,708 EUR
MOH London€4,148 EUR

39 data points across 14 retailers

12 retailers€761 EUR to €4,148 EUR

A
Cheapest Retailer
-
€761 EUR
$850 USD
B+
Retailer 2
-
€1,245 EUR
$1,391 USD
View
B+
Retailer 3
-
€1,355 EUR
$1,514 USD
View
B+
Retailer 4
-
€1,395 EUR
$1,558 USD
View
Final sale: no returns
Retailer 5
-
€1,445 EUR
$1,614 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
€1,445 EUR
$1,614 USD
View
B+
Retailer 7
-
€1,598 EUR
$1,785 USD
View
B
Retailer 8
-
€2,281 EUR
$2,548 USD
View
B
Retailer 9
-
€2,613 EUR
£2,299 GBP
View
B
Retailer 10
-
€2,622 EUR
$2,929 USD
View
B
Retailer 11
-
€2,708 EUR
$3,025 USD
View
Most Expensive
B
MOH London
LG447098943 · Oct 29
€4,148 EUR
£3,649 GBP
View
11 more retailers have this diamond
Prices start from €761 EURSave up to €3,387 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
1.53ct Round
€761 EUR