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Round|Lab Grown|IGI

1.53ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG770637221

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770637221

Diamond specifications and retailer prices

From €376 EUR
As of October 31, 2026
Save €680 EUR (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,056 EUR at MOH London · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770637221 or 770637221. Listed at 11 retailers as of October 31, 2026, with prices from €376 to €1,056, a €680 spread on the same certified stone. MOH London lists it at €1,056. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770637221
Dimensions7.44 × 7.43 × 4.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm7.43 mm1.53 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770637221
Side View
Table 58.0%Crown 33.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €1,056 EUR|Low: €226 EUR|High: €1,069 EUR|Avg: €547 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8€226 EUR
Retailer 3€376 EUR
Retailer 7€391 EUR
Retailer 2€414 EUR
Retailer 9€456 EUR
Retailer 5€584 EUR
Retailer 4€640 EUR
Retailer 6€779 EUR
MOH London€1,056 EUR

42 data points across 9 retailers

11 retailers€376 EUR to €1,056 EUR

Retailer 1
-
€226 EUR
$252 USD
Price last confirmed 7 days ago
A
Retailer 2
-
€376 EUR
View
B+
Retailer 3
-
€391 EUR
$437 USD
View
A
Retailer 4
-
€414 EUR
£364 GBP
View
A
Retailer 5
-
€418 EUR
$467 USD
View
B+
Retailer 6
-
€456 EUR
$509 USD
View
B+
Retailer 7
-
€584 EUR
$652 USD
View
B+
Retailer 8
-
€640 EUR
$715 USD
View
B
Retailer 9
-
€774 EUR
$865 USD
View
B
Retailer 10
-
€779 EUR
$870 USD
View
Most Expensive
B
MOH London
LG770637221 · Nov 1
€1,056 EUR
£929 GBP
View
10 more retailers have this diamond
Prices start from €376 EURSave up to €680 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
€376 EUR