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Round|Lab Grown|IGI

1.51ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG12333005

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12333005

Diamond specifications and retailer prices

From €292 EUR
$327 USD
As of November 1, 2026
Save €2,303 EUR (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,594 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12333005 or 12333005. Listed at 19 retailers as of November 1, 2026, with prices from €292 to €2,594, a €2,303 spread on the same certified stone. Do Amore Diamonds lists it at €2,594. 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

1.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12333005
Dimensions7.34 × 7.39 × 4.50 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment. Type IIa
Top View
7.34 mm7.39 mm1.51 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12333005
Side View
Table 60.5%Crown 35.5°Girdle: MED-UNDPavilion 41°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
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: €2,594 EUR|Low: €292 EUR|High: €2,594 EUR|Avg: €858 EUR|+0.3%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 19
November 2, 2026
Retailer 19€292 EUR
Retailer 16€339 EUR
Retailer 13€357 EUR
Retailer 6€362 EUR
Retailer 15€362 EUR
Retailer 3€416 EUR
Retailer 7€499 EUR
Retailer 8€593 EUR
Retailer 10€622 EUR
Retailer 2€644 EUR
Retailer 17€658 EUR
Retailer 11€719 EUR
Retailer 18€1,061 EUR
Retailer 9€1,088 EUR
Retailer 12€1,132 EUR
Retailer 5€1,284 EUR
Retailer 4€1,424 EUR
Retailer 14€1,568 EUR
Do Amore Diamonds€2,594 EUR

16 data points across 19 retailers

19 retailers€292 EUR to €2,594 EUR

A
Cheapest Retailer
-
€292 EUR
$327 USD
A
Retailer 2
-
€339 EUR
$380 USD
View
B+
Retailer 3
-
€357 EUR
$400 USD
View
A
Retailer 4
-
€362 EUR
$406 USD
View
Retailer 5
-
€362 EUR
$406 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€416 EUR
$467 USD
View
A
Retailer 7
-
€499 EUR
$560 USD
View
Retailer 8
-
€593 EUR
$665 USD
View
Price last confirmed 12 days ago
A
Retailer 9
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€622 EUR
$698 USD
View
A
Retailer 10
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€644 EUR
£569 GBP
View
A
Retailer 11
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€658 EUR
$738 USD
View
A
Retailer 12
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€719 EUR
$807 USD
View
A
Retailer 13
-
€1,061 EUR
$1,190 USD
View
A
Retailer 14
-
€1,088 EUR
$1,220 USD
View
B+
Retailer 15
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€1,132 EUR
$1,270 USD
View
B+
Retailer 16
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€1,284 EUR
$1,440 USD
View
B+
Retailer 17
-
€1,424 EUR
$1,597 USD
View
B+
Retailer 18
-
€1,568 EUR
£1,385 GBP
View
Most Expensive
B
Do Amore Diamonds
27-1DD2B0C89 · Nov 2
€2,594 EUR
$2,910 USD
View
18 more retailers have this diamond
Prices start from €292 EURSave up to €2,303 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
€292 EUR