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Round|Lab Grown|IGI

1.53ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG816618814

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816618814

Diamond specifications and retailer prices

From €186 EUR
As of November 5, 2026
Save €741 EUR (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €927 EUR at MOH London · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816618814 or 816618814. Listed at 15 retailers as of November 2, 2026, with prices from €186 to €927, a €741 spread on the same certified stone. MOH London lists it at €927. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816618814
Dimensions7.44 × 7.30 × 4.56 mm
L/W Ratio1.02
Girdle conditionFaceted
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
7.44 mm7.30 mm1.53 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816618814
Side View
Table 61.0%Crown 35.4°Girdle: MediumPavilion 41.7°Culet: NoneDepth 61.7%

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 5
Current: €927 EUR|Low: €179 EUR|High: €937 EUR|Avg: €464 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 8€186 EUR
Retailer 12€216 EUR
Retailer 4€231 EUR
Retailer 9€231 EUR
Retailer 10€399 EUR
Retailer 5€418 EUR
Retailer 2€422 EUR
Retailer 11€528 EUR
Retailer 6€654 EUR
Retailer 3€743 EUR
Retailer 7€746 EUR
MOH London€927 EUR

43 data points across 12 retailers

15 retailers€186 EUR to €927 EUR

A
Cheapest Retailer
-
€186 EUR
A
Retailer 2
-
€216 EUR
View
Retailer 3
-
€231 EUR
View
Price last confirmed 13 days ago
A
Retailer 4
-
€231 EUR
View
B+
Retailer 5
-
€392 EUR
View
B+
Retailer 6
-
€399 EUR
View
B+
Retailer 7
-
€418 EUR
View
A
Retailer 8
-
€422 EUR
View
B+
Retailer 9
-
€528 EUR
View
B+
Retailer 10
-
€654 EUR
View
B
Retailer 11
-
€743 EUR
View
B
Retailer 12
-
€746 EUR
View
B
Retailer 13
-
€749 EUR
View
B
Retailer 14
-
€791 EUR
View
Most Expensive
B
MOH London
LG816618814 · Nov 2
€927 EUR
£815 GBP
View
14 more retailers have this diamond
Prices start from €186 EURSave up to €741 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
€186 EUR