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Round|Lab Grown|IGI

1.51ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG494167199

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494167199

Diamond specifications and retailer prices

From €357 EUR
$400 USD
As of November 1, 2026
Save €2,238 EUR (86%) vs most expensive(unlock to see where)
12 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 LG494167199 or 494167199. Listed at 12 retailers as of November 1, 2026, with prices from €357 to €2,594, a €2,238 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494167199
Dimensions7.35 × 7.38 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.35 mm7.38 mm1.51 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494167199
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,594 EUR|Low: €357 EUR|High: €2,594 EUR|Avg: €960 EUR|+0.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 7€357 EUR
Retailer 9€416 EUR
Retailer 11€499 EUR
Retailer 3€622 EUR
Retailer 2€644 EUR
Retailer 5€704 EUR
Retailer 4€719 EUR
Retailer 8€1,061 EUR
Retailer 12€1,088 EUR
Retailer 10€1,424 EUR
Retailer 6€1,560 EUR
Do Amore Diamonds€2,594 EUR

16 data points across 12 retailers

12 retailers€357 EUR to €2,594 EUR

B+
Cheapest Retailer
-
€357 EUR
$400 USD
A
Retailer 2
-
€416 EUR
$467 USD
View
A
Retailer 3
-
€499 EUR
$560 USD
View
A
Retailer 4
-
€622 EUR
$698 USD
View
A
Retailer 5
-
€644 EUR
£569 GBP
View
A
Retailer 6
-
€704 EUR
$790 USD
View
A
Retailer 7
-
€719 EUR
$807 USD
View
A
Retailer 8
-
€1,061 EUR
$1,190 USD
View
A
Retailer 9
-
€1,088 EUR
$1,220 USD
View
B+
Retailer 10
-
€1,424 EUR
$1,597 USD
View
B+
Retailer 11
-
€1,560 EUR
£1,378 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4CC7EC046 · Nov 2
€2,594 EUR
$2,910 USD
View
11 more retailers have this diamond
Prices start from €357 EURSave up to €2,238 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
€357 EUR