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Round|Lab Grown|IGI

1.53ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG747578077

Shape and cutting style on the report: Round brilliant

Certificate IGI LG747578077

Diamond specifications and retailer prices

From €190 EUR
As of November 1, 2026
Save €1,245 EUR (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,434 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG747578077 or 747578077. Listed at 19 retailers as of November 1, 2026, with prices from €190 to €1,434, a €1,245 spread on the same certified stone. Brilliant Earth lists it at €1,434. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747578077
Dimensions7.39 × 7.33 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.39 mm7.33 mm1.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747578077
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €944 EUR|Low: €182 EUR|High: €1,434 EUR|Avg: €527 EUR|-4.5%
Brilliant Earth
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 6, 2026
Retailer 13€190 EUR
Retailer 3€235 EUR
Retailer 14€235 EUR
Retailer 7€283 EUR
Retailer 9€376 EUR
Retailer 6€404 EUR
Retailer 2€427 EUR
Retailer 11€462 EUR
Retailer 5€463 EUR
Retailer 8€676 EUR
Retailer 10€682 EUR
Retailer 4€756 EUR
Brilliant Earth€944 EUR
Retailer 12€948 EUR

44 data points across 14 retailers

19 retailers€190 EUR to €1,434 EUR

Retailer 1
-
€190 EUR
Price last confirmed 44 days ago
A
Retailer 2
-
€190 EUR
View
Retailer 3
-
€220 EUR
View
Price last confirmed 45 days ago
Retailer 4
-
€233 EUR
View
Price last confirmed 42 days ago
A
Retailer 5
-
€235 EUR
View
Retailer 6
-
€235 EUR
View
Price last confirmed 12 days ago
B+
Retailer 7
-
€283 EUR
View
A
Retailer 8
-
€376 EUR
View
A
Retailer 9
-
€404 EUR
View
A
Retailer 10
-
€427 EUR
View
B+
Retailer 11
-
€462 EUR
View
B+
Retailer 12
-
€463 EUR
View
B+
Retailer 13
-
€617 EUR
View
B+
Retailer 14
-
€676 EUR
View
B
Retailer 15
-
€682 EUR
View
B
Retailer 16
-
€756 EUR
View
B
Retailer 17
-
€944 EUR
View
Retailer 18
-
€948 EUR
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21116661A · Nov 5
€1,434 EUR
$1,610 USD
View
18 more retailers have this diamond
Prices start from €190 EURSave up to €1,245 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
€190 EUR