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Round|Lab Grown|IGI

1.63ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG450019953

Shape and cutting style on the report: Round brilliant

Certificate IGI LG450019953

Diamond specifications and retailer prices

From €314 EUR
$351 USD
As of November 1, 2026
Save €2,479 EUR (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,793 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.63ct lab-grown round diamond

This 1.63ct 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 LG450019953 or 450019953. Listed at 18 retailers as of October 31, 2026, with prices from €314 to €2,793, a €2,479 spread on the same certified stone. Do Amore Diamonds lists it at €2,793. 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

1.63
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG450019953
Dimensions7.51 × 7.59 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.51 mm7.59 mm1.63 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG450019953
Side View
Table 57.5%Crown 34.5°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.3%

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 1
Current: €2,793 EUR|Low: €314 EUR|High: €2,793 EUR|Avg: €880 EUR
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 18
November 1, 2026
Retailer 18€314 EUR
Retailer 15€364 EUR
Retailer 12€385 EUR
Retailer 5€389 EUR
Retailer 14€389 EUR
Retailer 3€479 EUR
Retailer 6€524 EUR
Retailer 7€662 EUR
Retailer 9€674 EUR
Retailer 16€689 EUR
Retailer 2€694 EUR
Retailer 10€757 EUR
Retailer 11€815 EUR
Retailer 17€1,143 EUR
Retailer 8€1,179 EUR
Retailer 4€1,383 EUR
Retailer 13€1,690 EUR
Do Amore Diamonds€2,793 EUR

14 data points across 18 retailers

18 retailers€314 EUR to €2,793 EUR

A
Cheapest Retailer
-
€314 EUR
$351 USD
A
Retailer 2
-
€364 EUR
$407 USD
View
B+
Retailer 3
-
€385 EUR
$430 USD
View
A
Retailer 4
-
€389 EUR
$435 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€389 EUR
$435 USD
View
A
Retailer 6
-
€479 EUR
$535 USD
View
A
Retailer 7
-
€524 EUR
$585 USD
View
Retailer 8
-
€662 EUR
$740 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
€674 EUR
$753 USD
View
A
Retailer 10
-
€689 EUR
$770 USD
View
A
Retailer 11
-
€694 EUR
£611 GBP
View
A
Retailer 12
-
€757 EUR
$846 USD
View
A
Retailer 13
-
€815 EUR
$910 USD
View
A
Retailer 14
-
€1,143 EUR
$1,277 USD
View
A
Retailer 15
-
€1,179 EUR
$1,317 USD
View
B+
Retailer 16
-
€1,383 EUR
$1,545 USD
View
B+
Retailer 17
-
€1,690 EUR
£1,487 GBP
View
Most Expensive
B
Do Amore Diamonds
27-78B8021BB · Oct 31
€2,793 EUR
$3,120 USD
View
17 more retailers have this diamond
Prices start from €314 EURSave up to €2,479 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
1.63ct Round
€314 EUR