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Round|Lab Grown|IGI

1.53ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG788628033

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788628033

Diamond specifications and retailer prices

From €178 EUR
As of November 1, 2026
Save €748 EUR (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,034 EUR at MOH London · As of October 26, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG788628033 or 788628033. Listed at 12 retailers as of November 1, 2026, with a 420% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788628033
Dimensions7.46 × 7.41 × 4.51 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
7.46 mm7.41 mm1.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788628033
Side View
Table 57.0%Crown 33°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.7%

Caratlytics Score

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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: Nov 1
Current: €1,034 EUR|Low: €171 EUR|High: €1,064 EUR|Avg: €461 EUR|-2.8%
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
November 6, 2026
Retailer 10€178 EUR
Retailer 12€200 EUR
Retailer 4€221 EUR
Retailer 5€222 EUR
Retailer 2€374 EUR
Retailer 13€384 EUR
Retailer 3€399 EUR
Retailer 7€404 EUR
Retailer 11€450 EUR
Retailer 6€595 EUR
Retailer 9€677 EUR
Retailer 8€927 EUR
MOH London€1,034 EUR

36 data points across 13 retailers

12 retailers€178 EUR to €927 EUR

A
Cheapest Retailer
-
€178 EUR
Retailer 2
-
€221 EUR
View
Price last confirmed 12 days ago
Retailer 3
-
€222 EUR
View
Price last confirmed 52 days ago
A
Retailer 4
-
€374 EUR
View
B+
Retailer 5
-
€384 EUR
View
A
Retailer 6
-
€399 EUR
View
A
Retailer 7
-
€404 EUR
View
A
Retailer 8
-
€450 EUR
View
B+
Retailer 9
-
€595 EUR
View
B
Retailer 10
-
€677 EUR
View
B
Retailer 11
-
€927 EUR
View
Most Expensive
MOH London
LG788628033 · Oct 26
€1,034 EUR
£914 GBP
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from €178 EURSave up to €748 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
€178 EUR