Round|Lab Grown|IGI

1.51ct G SI1 Round Lab Grown Diamond

VG • G/SI1 • IGI LG224661776

Shape and cutting style on the report: Round brilliant

Certificate IGI LG224661776

Diamond specifications and retailer prices

From €256 EUR
$286 USD
As of November 1, 2026
Save €1,146 EUR (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,402 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct 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 very-good cut grade and certified by IGI LG224661776 or 224661776. Listed at 15 retailers as of November 1, 2026, with prices from €256 to €1,402, a €1,146 spread on the same certified stone. MOH London lists it at €1,402. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG224661776
Dimensions7.24 × 7.17 × 4.68 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
The laboratory grown diamond described above is classified as Type IIa. Laserscribe on Girdle: "LAB GROWN LG 224661776"
Top View
7.24 mm7.17 mm1.51 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG224661776
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 64.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €1,402 EUR|Low: €201 EUR|High: €1,410 EUR|Avg: €563 EUR|+27.6%
MOH London
Retailer 2
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Retailer 12
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Retailer 16
November 1, 2026
Retailer 15€256 EUR
Retailer 7€272 EUR
Retailer 11€296 EUR
Retailer 5€317 EUR
Retailer 10€317 EUR
Retailer 16€334 EUR
Retailer 14€456 EUR
Retailer 13€521 EUR
Retailer 12€618 EUR
Retailer 9€622 EUR
Retailer 6€622 EUR
Retailer 2€623 EUR
Retailer 8€736 EUR
Retailer 4€1,125 EUR
Retailer 3€1,135 EUR
MOH London€1,402 EUR

19 data points across 16 retailers

15 retailers€256 EUR to €1,402 EUR

A
Cheapest Retailer
-
€256 EUR
$286 USD
B+
Retailer 2
-
€296 EUR
$331 USD
View
B+
Retailer 3
-
€317 EUR
$354 USD
View
B+
Retailer 4
-
€334 EUR
$373 USD
View
B+
Retailer 5
-
€456 EUR
$510 USD
View
B+
Retailer 6
-
€521 EUR
$582 USD
View
B+
Retailer 7
-
€521 EUR
$582 USD
View
B
Retailer 8
-
€618 EUR
$690 USD
View
B
Retailer 9
-
€622 EUR
£547 GBP
View
Retailer 10
-
€622 EUR
$695 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
€623 EUR
£548 GBP
View
B
Retailer 12
-
€736 EUR
$822 USD
View
B
Retailer 13
-
€1,125 EUR
$1,257 USD
View
B
Retailer 14
-
€1,135 EUR
$1,268 USD
View
Most Expensive
C
MOH London
LG_224661776 · Nov 1
€1,402 EUR
£1,233 GBP
View
14 more retailers have this diamond
Prices start from €256 EURSave up to €1,146 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
1.51ct Round
€256 EUR